Home / 1,715.71-2,368.49-1,149.52

Finding the Fourth Proportional to 1,715.71, 2,368.49 and 1,149.52

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Solution

The fourth proportional to 1,715.71, 2,368.49 and 1,149.52 is: 1,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.71 : 2,368.49 = 1,149.52 : x
  2. Step 2: Convert to fraction form
    1,715.71/2,368.49 = 1,149.52/x
  3. Step 3: Cross multiply
    1,715.71x = 2,368.49 × 1,149.52
  4. Step 4: Simplify right side
    1,715.71x = 2,722,623.58
  5. Step 5: Solve for x
    x = 2,722,623.58/1,715.71
  6. Step 6: Final answer
    x = 1,586.88

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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.