Home / 2,132.40-2,943.06-1,248.18

Finding the Fourth Proportional to 2,132.40, 2,943.06 and 1,248.18

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Solution

The fourth proportional to 2,132.40, 2,943.06 and 1,248.18 is: 1,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.40 : 2,943.06 = 1,248.18 : x
  2. Step 2: Convert to fraction form
    2,132.40/2,943.06 = 1,248.18/x
  3. Step 3: Cross multiply
    2,132.40x = 2,943.06 × 1,248.18
  4. Step 4: Simplify right side
    2,132.40x = 3,673,468.63
  5. Step 5: Solve for x
    x = 3,673,468.63/2,132.40
  6. Step 6: Final answer
    x = 1,722.69

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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.