Home / 3,719.22-5,579.35-1,254.75

Finding the Fourth Proportional to 3,719.22, 5,579.35 and 1,254.75

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Solution

The fourth proportional to 3,719.22, 5,579.35 and 1,254.75 is: 1,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.22 : 5,579.35 = 1,254.75 : x
  2. Step 2: Convert to fraction form
    3,719.22/5,579.35 = 1,254.75/x
  3. Step 3: Cross multiply
    3,719.22x = 5,579.35 × 1,254.75
  4. Step 4: Simplify right side
    3,719.22x = 7,000,689.41
  5. Step 5: Solve for x
    x = 7,000,689.41/3,719.22
  6. Step 6: Final answer
    x = 1,882.30

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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.