Home / 1,531.62-2,297.52-1,302.12

Finding the Fourth Proportional to 1,531.62, 2,297.52 and 1,302.12

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Solution

The fourth proportional to 1,531.62, 2,297.52 and 1,302.12 is: 1,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.62 : 2,297.52 = 1,302.12 : x
  2. Step 2: Convert to fraction form
    1,531.62/2,297.52 = 1,302.12/x
  3. Step 3: Cross multiply
    1,531.62x = 2,297.52 × 1,302.12
  4. Step 4: Simplify right side
    1,531.62x = 2,991,646.74
  5. Step 5: Solve for x
    x = 2,991,646.74/1,531.62
  6. Step 6: Final answer
    x = 1,953.26

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1.5x scale

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.