Home / 2,126.18-2,934.05-1,182.02

Finding the Fourth Proportional to 2,126.18, 2,934.05 and 1,182.02

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Solution

The fourth proportional to 2,126.18, 2,934.05 and 1,182.02 is: 1,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.18 : 2,934.05 = 1,182.02 : x
  2. Step 2: Convert to fraction form
    2,126.18/2,934.05 = 1,182.02/x
  3. Step 3: Cross multiply
    2,126.18x = 2,934.05 × 1,182.02
  4. Step 4: Simplify right side
    2,126.18x = 3,468,085.20
  5. Step 5: Solve for x
    x = 3,468,085.20/2,126.18
  6. Step 6: Final answer
    x = 1,631.14

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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.