Home / 2,354.18-3,248.02-1,422.68

Finding the Fourth Proportional to 2,354.18, 3,248.02 and 1,422.68

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Solution

The fourth proportional to 2,354.18, 3,248.02 and 1,422.68 is: 1,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.18 : 3,248.02 = 1,422.68 : x
  2. Step 2: Convert to fraction form
    2,354.18/3,248.02 = 1,422.68/x
  3. Step 3: Cross multiply
    2,354.18x = 3,248.02 × 1,422.68
  4. Step 4: Simplify right side
    2,354.18x = 4,620,893.09
  5. Step 5: Solve for x
    x = 4,620,893.09/2,354.18
  6. Step 6: Final answer
    x = 1,962.85

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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.