Home / 2,493.12-3,739.20-1,397.76

Finding the Fourth Proportional to 2,493.12, 3,739.20 and 1,397.76

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Solution

The fourth proportional to 2,493.12, 3,739.20 and 1,397.76 is: 2,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.12 : 3,739.20 = 1,397.76 : x
  2. Step 2: Convert to fraction form
    2,493.12/3,739.20 = 1,397.76/x
  3. Step 3: Cross multiply
    2,493.12x = 3,739.20 × 1,397.76
  4. Step 4: Simplify right side
    2,493.12x = 5,226,504.19
  5. Step 5: Solve for x
    x = 5,226,504.19/2,493.12
  6. Step 6: Final answer
    x = 2,096.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.