Home / 3,519.02-5,279.33-1,874.70

Finding the Fourth Proportional to 3,519.02, 5,279.33 and 1,874.70

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Solution

The fourth proportional to 3,519.02, 5,279.33 and 1,874.70 is: 2,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.02 : 5,279.33 = 1,874.70 : x
  2. Step 2: Convert to fraction form
    3,519.02/5,279.33 = 1,874.70/x
  3. Step 3: Cross multiply
    3,519.02x = 5,279.33 × 1,874.70
  4. Step 4: Simplify right side
    3,519.02x = 9,897,159.95
  5. Step 5: Solve for x
    x = 9,897,159.95/3,519.02
  6. Step 6: Final answer
    x = 2,812.48

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1.5x scale

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.