Home / 1,727.32-2,580.30-1,553.71

Finding the Fourth Proportional to 1,727.32, 2,580.30 and 1,553.71

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Solution

The fourth proportional to 1,727.32, 2,580.30 and 1,553.71 is: 2,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.32 : 2,580.30 = 1,553.71 : x
  2. Step 2: Convert to fraction form
    1,727.32/2,580.30 = 1,553.71/x
  3. Step 3: Cross multiply
    1,727.32x = 2,580.30 × 1,553.71
  4. Step 4: Simplify right side
    1,727.32x = 4,009,037.91
  5. Step 5: Solve for x
    x = 4,009,037.91/1,727.32
  6. Step 6: Final answer
    x = 2,320.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.