Home / 3,291.20-4,541.73-1,874.97

Finding the Fourth Proportional to 3,291.20, 4,541.73 and 1,874.97

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Solution

The fourth proportional to 3,291.20, 4,541.73 and 1,874.97 is: 2,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.20 : 4,541.73 = 1,874.97 : x
  2. Step 2: Convert to fraction form
    3,291.20/4,541.73 = 1,874.97/x
  3. Step 3: Cross multiply
    3,291.20x = 4,541.73 × 1,874.97
  4. Step 4: Simplify right side
    3,291.20x = 8,515,607.50
  5. Step 5: Solve for x
    x = 8,515,607.50/3,291.20
  6. Step 6: Final answer
    x = 2,587.38

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1.5x scale

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.