Home / 3,079.80-4,250.34-1,753.56

Finding the Fourth Proportional to 3,079.80, 4,250.34 and 1,753.56

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Solution

The fourth proportional to 3,079.80, 4,250.34 and 1,753.56 is: 2,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.80 : 4,250.34 = 1,753.56 : x
  2. Step 2: Convert to fraction form
    3,079.80/4,250.34 = 1,753.56/x
  3. Step 3: Cross multiply
    3,079.80x = 4,250.34 × 1,753.56
  4. Step 4: Simplify right side
    3,079.80x = 7,453,226.21
  5. Step 5: Solve for x
    x = 7,453,226.21/3,079.80
  6. Step 6: Final answer
    x = 2,420.04

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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.