Home / 2,479.98-3,742.47-2,397.36

Finding the Fourth Proportional to 2,479.98, 3,742.47 and 2,397.36

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Solution

The fourth proportional to 2,479.98, 3,742.47 and 2,397.36 is: 3,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.98 : 3,742.47 = 2,397.36 : x
  2. Step 2: Convert to fraction form
    2,479.98/3,742.47 = 2,397.36/x
  3. Step 3: Cross multiply
    2,479.98x = 3,742.47 × 2,397.36
  4. Step 4: Simplify right side
    2,479.98x = 8,972,047.88
  5. Step 5: Solve for x
    x = 8,972,047.88/2,479.98
  6. Step 6: Final answer
    x = 3,617.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.