Home / 2,672.60-3,687.93-1,493.64

Finding the Fourth Proportional to 2,672.60, 3,687.93 and 1,493.64

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Solution

The fourth proportional to 2,672.60, 3,687.93 and 1,493.64 is: 2,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.60 : 3,687.93 = 1,493.64 : x
  2. Step 2: Convert to fraction form
    2,672.60/3,687.93 = 1,493.64/x
  3. Step 3: Cross multiply
    2,672.60x = 3,687.93 × 1,493.64
  4. Step 4: Simplify right side
    2,672.60x = 5,508,439.77
  5. Step 5: Solve for x
    x = 5,508,439.77/2,672.60
  6. Step 6: Final answer
    x = 2,061.08

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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.