Home / 2,417.09-3,335.51-1,422.42

Finding the Fourth Proportional to 2,417.09, 3,335.51 and 1,422.42

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Solution

The fourth proportional to 2,417.09, 3,335.51 and 1,422.42 is: 1,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.09 : 3,335.51 = 1,422.42 : x
  2. Step 2: Convert to fraction form
    2,417.09/3,335.51 = 1,422.42/x
  3. Step 3: Cross multiply
    2,417.09x = 3,335.51 × 1,422.42
  4. Step 4: Simplify right side
    2,417.09x = 4,744,505.94
  5. Step 5: Solve for x
    x = 4,744,505.94/2,417.09
  6. Step 6: Final answer
    x = 1,962.90

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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.