Home / 1,715.28-2,366.67-1,042.92

Finding the Fourth Proportional to 1,715.28, 2,366.67 and 1,042.92

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Solution

The fourth proportional to 1,715.28, 2,366.67 and 1,042.92 is: 1,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.28 : 2,366.67 = 1,042.92 : x
  2. Step 2: Convert to fraction form
    1,715.28/2,366.67 = 1,042.92/x
  3. Step 3: Cross multiply
    1,715.28x = 2,366.67 × 1,042.92
  4. Step 4: Simplify right side
    1,715.28x = 2,468,247.48
  5. Step 5: Solve for x
    x = 2,468,247.48/1,715.28
  6. Step 6: Final answer
    x = 1,438.98

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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.