Home / 3,139.95-4,707.33-2,449.68

Finding the Fourth Proportional to 3,139.95, 4,707.33 and 2,449.68

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Solution

The fourth proportional to 3,139.95, 4,707.33 and 2,449.68 is: 3,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.95 : 4,707.33 = 2,449.68 : x
  2. Step 2: Convert to fraction form
    3,139.95/4,707.33 = 2,449.68/x
  3. Step 3: Cross multiply
    3,139.95x = 4,707.33 × 2,449.68
  4. Step 4: Simplify right side
    3,139.95x = 11,531,452.15
  5. Step 5: Solve for x
    x = 11,531,452.15/3,139.95
  6. Step 6: Final answer
    x = 3,672.50

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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.