Home / 1,709.38-2,359.17-1,037.45

Finding the Fourth Proportional to 1,709.38, 2,359.17 and 1,037.45

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Solution

The fourth proportional to 1,709.38, 2,359.17 and 1,037.45 is: 1,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.38 : 2,359.17 = 1,037.45 : x
  2. Step 2: Convert to fraction form
    1,709.38/2,359.17 = 1,037.45/x
  3. Step 3: Cross multiply
    1,709.38x = 2,359.17 × 1,037.45
  4. Step 4: Simplify right side
    1,709.38x = 2,447,503.93
  5. Step 5: Solve for x
    x = 2,447,503.93/1,709.38
  6. Step 6: Final answer
    x = 1,431.81

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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.