Home / 3,038.45-4,182.17-2,152.71

Finding the Fourth Proportional to 3,038.45, 4,182.17 and 2,152.71

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Solution

The fourth proportional to 3,038.45, 4,182.17 and 2,152.71 is: 2,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.45 : 4,182.17 = 2,152.71 : x
  2. Step 2: Convert to fraction form
    3,038.45/4,182.17 = 2,152.71/x
  3. Step 3: Cross multiply
    3,038.45x = 4,182.17 × 2,152.71
  4. Step 4: Simplify right side
    3,038.45x = 9,002,988.42
  5. Step 5: Solve for x
    x = 9,002,988.42/3,038.45
  6. Step 6: Final answer
    x = 2,963.02

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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.