Home / 1,877.17-2,590.28-1,037.66

Finding the Fourth Proportional to 1,877.17, 2,590.28 and 1,037.66

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Solution

The fourth proportional to 1,877.17, 2,590.28 and 1,037.66 is: 1,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.17 : 2,590.28 = 1,037.66 : x
  2. Step 2: Convert to fraction form
    1,877.17/2,590.28 = 1,037.66/x
  3. Step 3: Cross multiply
    1,877.17x = 2,590.28 × 1,037.66
  4. Step 4: Simplify right side
    1,877.17x = 2,687,811.81
  5. Step 5: Solve for x
    x = 2,687,811.81/1,877.17
  6. Step 6: Final answer
    x = 1,431.85

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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.