Home / 3,115.77-4,650.85-2,746.71

Finding the Fourth Proportional to 3,115.77, 4,650.85 and 2,746.71

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Solution

The fourth proportional to 3,115.77, 4,650.85 and 2,746.71 is: 4,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.77 : 4,650.85 = 2,746.71 : x
  2. Step 2: Convert to fraction form
    3,115.77/4,650.85 = 2,746.71/x
  3. Step 3: Cross multiply
    3,115.77x = 4,650.85 × 2,746.71
  4. Step 4: Simplify right side
    3,115.77x = 12,774,536.20
  5. Step 5: Solve for x
    x = 12,774,536.20/3,115.77
  6. Step 6: Final answer
    x = 4,099.96

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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.