Home / 2,574.03-3,861.06-725.16

Finding the Fourth Proportional to 2,574.03, 3,861.06 and 725.16

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Solution

The fourth proportional to 2,574.03, 3,861.06 and 725.16 is: 1,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.03 : 3,861.06 = 725.16 : x
  2. Step 2: Convert to fraction form
    2,574.03/3,861.06 = 725.16/x
  3. Step 3: Cross multiply
    2,574.03x = 3,861.06 × 725.16
  4. Step 4: Simplify right side
    2,574.03x = 2,799,886.27
  5. Step 5: Solve for x
    x = 2,799,886.27/2,574.03
  6. Step 6: Final answer
    x = 1,087.74

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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.