Home / 3,442.64-4,751.04-2,117.76

Finding the Fourth Proportional to 3,442.64, 4,751.04 and 2,117.76

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Solution

The fourth proportional to 3,442.64, 4,751.04 and 2,117.76 is: 2,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.64 : 4,751.04 = 2,117.76 : x
  2. Step 2: Convert to fraction form
    3,442.64/4,751.04 = 2,117.76/x
  3. Step 3: Cross multiply
    3,442.64x = 4,751.04 × 2,117.76
  4. Step 4: Simplify right side
    3,442.64x = 10,061,562.47
  5. Step 5: Solve for x
    x = 10,061,562.47/3,442.64
  6. Step 6: Final answer
    x = 2,922.63

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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.