Home / 2,417.25-3,335.82-1,422.57

Finding the Fourth Proportional to 2,417.25, 3,335.82 and 1,422.57

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Solution

The fourth proportional to 2,417.25, 3,335.82 and 1,422.57 is: 1,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.25 : 3,335.82 = 1,422.57 : x
  2. Step 2: Convert to fraction form
    2,417.25/3,335.82 = 1,422.57/x
  3. Step 3: Cross multiply
    2,417.25x = 3,335.82 × 1,422.57
  4. Step 4: Simplify right side
    2,417.25x = 4,745,437.46
  5. Step 5: Solve for x
    x = 4,745,437.46/2,417.25
  6. Step 6: Final answer
    x = 1,963.16

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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.