Home / 3,719.38-5,579.94-1,254.13

Finding the Fourth Proportional to 3,719.38, 5,579.94 and 1,254.13

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Solution

The fourth proportional to 3,719.38, 5,579.94 and 1,254.13 is: 1,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.38 : 5,579.94 = 1,254.13 : x
  2. Step 2: Convert to fraction form
    3,719.38/5,579.94 = 1,254.13/x
  3. Step 3: Cross multiply
    3,719.38x = 5,579.94 × 1,254.13
  4. Step 4: Simplify right side
    3,719.38x = 6,997,970.15
  5. Step 5: Solve for x
    x = 6,997,970.15/3,719.38
  6. Step 6: Final answer
    x = 1,881.49

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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.