Home / 3,147.84-4,335.98-2,615.76

Finding the Fourth Proportional to 3,147.84, 4,335.98 and 2,615.76

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Solution

The fourth proportional to 3,147.84, 4,335.98 and 2,615.76 is: 3,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.84 : 4,335.98 = 2,615.76 : x
  2. Step 2: Convert to fraction form
    3,147.84/4,335.98 = 2,615.76/x
  3. Step 3: Cross multiply
    3,147.84x = 4,335.98 × 2,615.76
  4. Step 4: Simplify right side
    3,147.84x = 11,341,869.97
  5. Step 5: Solve for x
    x = 11,341,869.97/3,147.84
  6. Step 6: Final answer
    x = 3,603.06

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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.