Home / 3,465.18-4,785.89-2,685.15

Finding the Fourth Proportional to 3,465.18, 4,785.89 and 2,685.15

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Solution

The fourth proportional to 3,465.18, 4,785.89 and 2,685.15 is: 3,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.18 : 4,785.89 = 2,685.15 : x
  2. Step 2: Convert to fraction form
    3,465.18/4,785.89 = 2,685.15/x
  3. Step 3: Cross multiply
    3,465.18x = 4,785.89 × 2,685.15
  4. Step 4: Simplify right side
    3,465.18x = 12,850,819.11
  5. Step 5: Solve for x
    x = 12,850,819.11/3,465.18
  6. Step 6: Final answer
    x = 3,708.56

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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.