Home / 2,025.32-2,795.08-1,129.13

Finding the Fourth Proportional to 2,025.32, 2,795.08 and 1,129.13

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Solution

The fourth proportional to 2,025.32, 2,795.08 and 1,129.13 is: 1,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.32 : 2,795.08 = 1,129.13 : x
  2. Step 2: Convert to fraction form
    2,025.32/2,795.08 = 1,129.13/x
  3. Step 3: Cross multiply
    2,025.32x = 2,795.08 × 1,129.13
  4. Step 4: Simplify right side
    2,025.32x = 3,156,012.85
  5. Step 5: Solve for x
    x = 3,156,012.85/2,025.32
  6. Step 6: Final answer
    x = 1,558.28

Related Problems

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Half scale
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Double scale
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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.