Home / 2,454.98-3,678.80-2,101.48

Finding the Fourth Proportional to 2,454.98, 3,678.80 and 2,101.48

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Solution

The fourth proportional to 2,454.98, 3,678.80 and 2,101.48 is: 3,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.98 : 3,678.80 = 2,101.48 : x
  2. Step 2: Convert to fraction form
    2,454.98/3,678.80 = 2,101.48/x
  3. Step 3: Cross multiply
    2,454.98x = 3,678.80 × 2,101.48
  4. Step 4: Simplify right side
    2,454.98x = 7,730,924.62
  5. Step 5: Solve for x
    x = 7,730,924.62/2,454.98
  6. Step 6: Final answer
    x = 3,149.08

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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.