Home / 1,531.56-2,293.26-1,045.56

Finding the Fourth Proportional to 1,531.56, 2,293.26 and 1,045.56

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Solution

The fourth proportional to 1,531.56, 2,293.26 and 1,045.56 is: 1,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.56 : 2,293.26 = 1,045.56 : x
  2. Step 2: Convert to fraction form
    1,531.56/2,293.26 = 1,045.56/x
  3. Step 3: Cross multiply
    1,531.56x = 2,293.26 × 1,045.56
  4. Step 4: Simplify right side
    1,531.56x = 2,397,740.93
  5. Step 5: Solve for x
    x = 2,397,740.93/1,531.56
  6. Step 6: Final answer
    x = 1,565.55

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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.