Home / 4,139.60-5,712.53-2,251.15

Finding the Fourth Proportional to 4,139.60, 5,712.53 and 2,251.15

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Solution

The fourth proportional to 4,139.60, 5,712.53 and 2,251.15 is: 3,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.60 : 5,712.53 = 2,251.15 : x
  2. Step 2: Convert to fraction form
    4,139.60/5,712.53 = 2,251.15/x
  3. Step 3: Cross multiply
    4,139.60x = 5,712.53 × 2,251.15
  4. Step 4: Simplify right side
    4,139.60x = 12,859,736.37
  5. Step 5: Solve for x
    x = 12,859,736.37/4,139.60
  6. Step 6: Final answer
    x = 3,106.52

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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.