Home / 1,923.76-2,653.52-1,137.24

Finding the Fourth Proportional to 1,923.76, 2,653.52 and 1,137.24

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Solution

The fourth proportional to 1,923.76, 2,653.52 and 1,137.24 is: 1,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.76 : 2,653.52 = 1,137.24 : x
  2. Step 2: Convert to fraction form
    1,923.76/2,653.52 = 1,137.24/x
  3. Step 3: Cross multiply
    1,923.76x = 2,653.52 × 1,137.24
  4. Step 4: Simplify right side
    1,923.76x = 3,017,689.08
  5. Step 5: Solve for x
    x = 3,017,689.08/1,923.76
  6. Step 6: Final answer
    x = 1,568.64

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.