Home / 3,526.50-4,863.20-2,109.95

Finding the Fourth Proportional to 3,526.50, 4,863.20 and 2,109.95

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Solution

The fourth proportional to 3,526.50, 4,863.20 and 2,109.95 is: 2,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.50 : 4,863.20 = 2,109.95 : x
  2. Step 2: Convert to fraction form
    3,526.50/4,863.20 = 2,109.95/x
  3. Step 3: Cross multiply
    3,526.50x = 4,863.20 × 2,109.95
  4. Step 4: Simplify right side
    3,526.50x = 10,261,073.97
  5. Step 5: Solve for x
    x = 10,261,073.97/3,526.50
  6. Step 6: Final answer
    x = 2,909.70

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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.