Home / 1,177.65-1,614.38-1,159.43

Finding the Fourth Proportional to 1,177.65, 1,614.38 and 1,159.43

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Solution

The fourth proportional to 1,177.65, 1,614.38 and 1,159.43 is: 1,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.65 : 1,614.38 = 1,159.43 : x
  2. Step 2: Convert to fraction form
    1,177.65/1,614.38 = 1,159.43/x
  3. Step 3: Cross multiply
    1,177.65x = 1,614.38 × 1,159.43
  4. Step 4: Simplify right side
    1,177.65x = 1,871,746.73
  5. Step 5: Solve for x
    x = 1,871,746.73/1,177.65
  6. Step 6: Final answer
    x = 1,589.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.