Home / 3,458.46-4,775.13-2,132.58

Finding the Fourth Proportional to 3,458.46, 4,775.13 and 2,132.58

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Solution

The fourth proportional to 3,458.46, 4,775.13 and 2,132.58 is: 2,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.46 : 4,775.13 = 2,132.58 : x
  2. Step 2: Convert to fraction form
    3,458.46/4,775.13 = 2,132.58/x
  3. Step 3: Cross multiply
    3,458.46x = 4,775.13 × 2,132.58
  4. Step 4: Simplify right side
    3,458.46x = 10,183,346.74
  5. Step 5: Solve for x
    x = 10,183,346.74/3,458.46
  6. Step 6: Final answer
    x = 2,944.47

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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.