Home / 3,115.89-4,651.02-2,746.85

Finding the Fourth Proportional to 3,115.89, 4,651.02 and 2,746.85

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Solution

The fourth proportional to 3,115.89, 4,651.02 and 2,746.85 is: 4,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.89 : 4,651.02 = 2,746.85 : x
  2. Step 2: Convert to fraction form
    3,115.89/4,651.02 = 2,746.85/x
  3. Step 3: Cross multiply
    3,115.89x = 4,651.02 × 2,746.85
  4. Step 4: Simplify right side
    3,115.89x = 12,775,631.03
  5. Step 5: Solve for x
    x = 12,775,631.03/3,115.89
  6. Step 6: Final answer
    x = 4,100.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.