Home / 1,531.65-2,280.15-1,522.54

Finding the Fourth Proportional to 1,531.65, 2,280.15 and 1,522.54

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Solution

The fourth proportional to 1,531.65, 2,280.15 and 1,522.54 is: 2,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.65 : 2,280.15 = 1,522.54 : x
  2. Step 2: Convert to fraction form
    1,531.65/2,280.15 = 1,522.54/x
  3. Step 3: Cross multiply
    1,531.65x = 2,280.15 × 1,522.54
  4. Step 4: Simplify right side
    1,531.65x = 3,471,613.88
  5. Step 5: Solve for x
    x = 3,471,613.88/1,531.65
  6. Step 6: Final answer
    x = 2,266.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.