Home / 3,718.40-5,575.62-2,493.68

Finding the Fourth Proportional to 3,718.40, 5,575.62 and 2,493.68

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Solution

The fourth proportional to 3,718.40, 5,575.62 and 2,493.68 is: 3,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.40 : 5,575.62 = 2,493.68 : x
  2. Step 2: Convert to fraction form
    3,718.40/5,575.62 = 2,493.68/x
  3. Step 3: Cross multiply
    3,718.40x = 5,575.62 × 2,493.68
  4. Step 4: Simplify right side
    3,718.40x = 13,903,812.08
  5. Step 5: Solve for x
    x = 13,903,812.08/3,718.40
  6. Step 6: Final answer
    x = 3,739.19

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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.