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Finding the Fourth Proportional to 1,631.72, 2,466.24 and 1,631.72

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Solution

The fourth proportional to 1,631.72, 2,466.24 and 1,631.72 is: 2,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.72 : 2,466.24 = 1,631.72 : x
  2. Step 2: Convert to fraction form
    1,631.72/2,466.24 = 1,631.72/x
  3. Step 3: Cross multiply
    1,631.72x = 2,466.24 × 1,631.72
  4. Step 4: Simplify right side
    1,631.72x = 4,024,213.13
  5. Step 5: Solve for x
    x = 4,024,213.13/1,631.72
  6. Step 6: Final answer
    x = 2,466.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.