Home / 2,126.52-2,934.06-1,241.76

Finding the Fourth Proportional to 2,126.52, 2,934.06 and 1,241.76

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Solution

The fourth proportional to 2,126.52, 2,934.06 and 1,241.76 is: 1,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.52 : 2,934.06 = 1,241.76 : x
  2. Step 2: Convert to fraction form
    2,126.52/2,934.06 = 1,241.76/x
  3. Step 3: Cross multiply
    2,126.52x = 2,934.06 × 1,241.76
  4. Step 4: Simplify right side
    2,126.52x = 3,643,398.35
  5. Step 5: Solve for x
    x = 3,643,398.35/2,126.52
  6. Step 6: Final answer
    x = 1,713.31

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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.