Home / 3,132.86-4,696.95-2,611.76

Finding the Fourth Proportional to 3,132.86, 4,696.95 and 2,611.76

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Solution

The fourth proportional to 3,132.86, 4,696.95 and 2,611.76 is: 3,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.86 : 4,696.95 = 2,611.76 : x
  2. Step 2: Convert to fraction form
    3,132.86/4,696.95 = 2,611.76/x
  3. Step 3: Cross multiply
    3,132.86x = 4,696.95 × 2,611.76
  4. Step 4: Simplify right side
    3,132.86x = 12,267,306.13
  5. Step 5: Solve for x
    x = 12,267,306.13/3,132.86
  6. Step 6: Final answer
    x = 3,915.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.