Home / 3,314.67-4,574.68-2,139.15

Finding the Fourth Proportional to 3,314.67, 4,574.68 and 2,139.15

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Solution

The fourth proportional to 3,314.67, 4,574.68 and 2,139.15 is: 2,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.67 : 4,574.68 = 2,139.15 : x
  2. Step 2: Convert to fraction form
    3,314.67/4,574.68 = 2,139.15/x
  3. Step 3: Cross multiply
    3,314.67x = 4,574.68 × 2,139.15
  4. Step 4: Simplify right side
    3,314.67x = 9,785,938.53
  5. Step 5: Solve for x
    x = 9,785,938.53/3,314.67
  6. Step 6: Final answer
    x = 2,952.31

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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.