Home / 2,974.45-4,461.60-1,726.91

Finding the Fourth Proportional to 2,974.45, 4,461.60 and 1,726.91

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Solution

The fourth proportional to 2,974.45, 4,461.60 and 1,726.91 is: 2,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.45 : 4,461.60 = 1,726.91 : x
  2. Step 2: Convert to fraction form
    2,974.45/4,461.60 = 1,726.91/x
  3. Step 3: Cross multiply
    2,974.45x = 4,461.60 × 1,726.91
  4. Step 4: Simplify right side
    2,974.45x = 7,704,781.66
  5. Step 5: Solve for x
    x = 7,704,781.66/2,974.45
  6. Step 6: Final answer
    x = 2,590.32

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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.