Home / 3,117.79-4,304.59-2,375.58

Finding the Fourth Proportional to 3,117.79, 4,304.59 and 2,375.58

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Solution

The fourth proportional to 3,117.79, 4,304.59 and 2,375.58 is: 3,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.79 : 4,304.59 = 2,375.58 : x
  2. Step 2: Convert to fraction form
    3,117.79/4,304.59 = 2,375.58/x
  3. Step 3: Cross multiply
    3,117.79x = 4,304.59 × 2,375.58
  4. Step 4: Simplify right side
    3,117.79x = 10,225,897.26
  5. Step 5: Solve for x
    x = 10,225,897.26/3,117.79
  6. Step 6: Final answer
    x = 3,279.85

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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.