Home / 2,440.60-3,655.38-1,399

Finding the Fourth Proportional to 2,440.60, 3,655.38 and 1,399

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Solution

The fourth proportional to 2,440.60, 3,655.38 and 1,399 is: 2,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.60 : 3,655.38 = 1,399 : x
  2. Step 2: Convert to fraction form
    2,440.60/3,655.38 = 1,399/x
  3. Step 3: Cross multiply
    2,440.60x = 3,655.38 × 1,399
  4. Step 4: Simplify right side
    2,440.60x = 5,113,876.62
  5. Step 5: Solve for x
    x = 5,113,876.62/2,440.60
  6. Step 6: Final answer
    x = 2,095.34

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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.