Home / 2,425.19-3,348.38-1,638.95

Finding the Fourth Proportional to 2,425.19, 3,348.38 and 1,638.95

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Solution

The fourth proportional to 2,425.19, 3,348.38 and 1,638.95 is: 2,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.19 : 3,348.38 = 1,638.95 : x
  2. Step 2: Convert to fraction form
    2,425.19/3,348.38 = 1,638.95/x
  3. Step 3: Cross multiply
    2,425.19x = 3,348.38 × 1,638.95
  4. Step 4: Simplify right side
    2,425.19x = 5,487,827.40
  5. Step 5: Solve for x
    x = 5,487,827.40/2,425.19
  6. Step 6: Final answer
    x = 2,262.84

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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.