Home / 1,711.47-2,566.90-737.65

Finding the Fourth Proportional to 1,711.47, 2,566.90 and 737.65

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Solution

The fourth proportional to 1,711.47, 2,566.90 and 737.65 is: 1,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.47 : 2,566.90 = 737.65 : x
  2. Step 2: Convert to fraction form
    1,711.47/2,566.90 = 737.65/x
  3. Step 3: Cross multiply
    1,711.47x = 2,566.90 × 737.65
  4. Step 4: Simplify right side
    1,711.47x = 1,893,473.79
  5. Step 5: Solve for x
    x = 1,893,473.79/1,711.47
  6. Step 6: Final answer
    x = 1,106.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.