Home / 2,449.76-3,380.74-1,402.16

Finding the Fourth Proportional to 2,449.76, 3,380.74 and 1,402.16

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Solution

The fourth proportional to 2,449.76, 3,380.74 and 1,402.16 is: 1,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.76 : 3,380.74 = 1,402.16 : x
  2. Step 2: Convert to fraction form
    2,449.76/3,380.74 = 1,402.16/x
  3. Step 3: Cross multiply
    2,449.76x = 3,380.74 × 1,402.16
  4. Step 4: Simplify right side
    2,449.76x = 4,740,317.99
  5. Step 5: Solve for x
    x = 4,740,317.99/2,449.76
  6. Step 6: Final answer
    x = 1,935.02

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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.