Home / 1,872.32-2,583.20-1,136.32

Finding the Fourth Proportional to 1,872.32, 2,583.20 and 1,136.32

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Solution

The fourth proportional to 1,872.32, 2,583.20 and 1,136.32 is: 1,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.32 : 2,583.20 = 1,136.32 : x
  2. Step 2: Convert to fraction form
    1,872.32/2,583.20 = 1,136.32/x
  3. Step 3: Cross multiply
    1,872.32x = 2,583.20 × 1,136.32
  4. Step 4: Simplify right side
    1,872.32x = 2,935,341.82
  5. Step 5: Solve for x
    x = 2,935,341.82/1,872.32
  6. Step 6: Final answer
    x = 1,567.76

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,873.32, 2,584.58 and 1,137.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.