Home / 1,531.29-2,113.66-1,452.93

Finding the Fourth Proportional to 1,531.29, 2,113.66 and 1,452.93

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Solution

The fourth proportional to 1,531.29, 2,113.66 and 1,452.93 is: 2,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.29 : 2,113.66 = 1,452.93 : x
  2. Step 2: Convert to fraction form
    1,531.29/2,113.66 = 1,452.93/x
  3. Step 3: Cross multiply
    1,531.29x = 2,113.66 × 1,452.93
  4. Step 4: Simplify right side
    1,531.29x = 3,071,000.02
  5. Step 5: Solve for x
    x = 3,071,000.02/1,531.29
  6. Step 6: Final answer
    x = 2,005.50

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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.