Home / 3,526.20-4,864.52-2,478.88

Finding the Fourth Proportional to 3,526.20, 4,864.52 and 2,478.88

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Solution

The fourth proportional to 3,526.20, 4,864.52 and 2,478.88 is: 3,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.20 : 4,864.52 = 2,478.88 : x
  2. Step 2: Convert to fraction form
    3,526.20/4,864.52 = 2,478.88/x
  3. Step 3: Cross multiply
    3,526.20x = 4,864.52 × 2,478.88
  4. Step 4: Simplify right side
    3,526.20x = 12,058,561.34
  5. Step 5: Solve for x
    x = 12,058,561.34/3,526.20
  6. Step 6: Final answer
    x = 3,419.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.