Home / 2,421.80-3,634.05-1,034.90

Finding the Fourth Proportional to 2,421.80, 3,634.05 and 1,034.90

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Solution

The fourth proportional to 2,421.80, 3,634.05 and 1,034.90 is: 1,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.80 : 3,634.05 = 1,034.90 : x
  2. Step 2: Convert to fraction form
    2,421.80/3,634.05 = 1,034.90/x
  3. Step 3: Cross multiply
    2,421.80x = 3,634.05 × 1,034.90
  4. Step 4: Simplify right side
    2,421.80x = 3,760,878.35
  5. Step 5: Solve for x
    x = 3,760,878.35/2,421.80
  6. Step 6: Final answer
    x = 1,552.93

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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.