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Finding the Fourth Proportional to 1,641.72, 2,462.58 and 1,525.08

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Solution

The fourth proportional to 1,641.72, 2,462.58 and 1,525.08 is: 2,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.72 : 2,462.58 = 1,525.08 : x
  2. Step 2: Convert to fraction form
    1,641.72/2,462.58 = 1,525.08/x
  3. Step 3: Cross multiply
    1,641.72x = 2,462.58 × 1,525.08
  4. Step 4: Simplify right side
    1,641.72x = 3,755,631.51
  5. Step 5: Solve for x
    x = 3,755,631.51/1,641.72
  6. Step 6: Final answer
    x = 2,287.62

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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.