Home / 1,532.23-2,113.80-1,177.53

Finding the Fourth Proportional to 1,532.23, 2,113.80 and 1,177.53

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Solution

The fourth proportional to 1,532.23, 2,113.80 and 1,177.53 is: 1,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.23 : 2,113.80 = 1,177.53 : x
  2. Step 2: Convert to fraction form
    1,532.23/2,113.80 = 1,177.53/x
  3. Step 3: Cross multiply
    1,532.23x = 2,113.80 × 1,177.53
  4. Step 4: Simplify right side
    1,532.23x = 2,489,062.91
  5. Step 5: Solve for x
    x = 2,489,062.91/1,532.23
  6. Step 6: Final answer
    x = 1,624.47

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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.