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Finding the Fourth Proportional to 2,574.08, 3,861.12 and 626.27

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Solution

The fourth proportional to 2,574.08, 3,861.12 and 626.27 is: 939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.08 : 3,861.12 = 626.27 : x
  2. Step 2: Convert to fraction form
    2,574.08/3,861.12 = 626.27/x
  3. Step 3: Cross multiply
    2,574.08x = 3,861.12 × 626.27
  4. Step 4: Simplify right side
    2,574.08x = 2,418,083.14
  5. Step 5: Solve for x
    x = 2,418,083.14/2,574.08
  6. Step 6: Final answer
    x = 939.40

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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.