Home / 2,854.10-4,270.17-2,126.90

Finding the Fourth Proportional to 2,854.10, 4,270.17 and 2,126.90

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Solution

The fourth proportional to 2,854.10, 4,270.17 and 2,126.90 is: 3,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.10 : 4,270.17 = 2,126.90 : x
  2. Step 2: Convert to fraction form
    2,854.10/4,270.17 = 2,126.90/x
  3. Step 3: Cross multiply
    2,854.10x = 4,270.17 × 2,126.90
  4. Step 4: Simplify right side
    2,854.10x = 9,082,224.57
  5. Step 5: Solve for x
    x = 9,082,224.57/2,854.10
  6. Step 6: Final answer
    x = 3,182.17

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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.