Home / 3,439.01-5,158.85-1,359.20

Finding the Fourth Proportional to 3,439.01, 5,158.85 and 1,359.20

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Solution

The fourth proportional to 3,439.01, 5,158.85 and 1,359.20 is: 2,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.01 : 5,158.85 = 1,359.20 : x
  2. Step 2: Convert to fraction form
    3,439.01/5,158.85 = 1,359.20/x
  3. Step 3: Cross multiply
    3,439.01x = 5,158.85 × 1,359.20
  4. Step 4: Simplify right side
    3,439.01x = 7,011,876.33
  5. Step 5: Solve for x
    x = 7,011,876.33/3,439.01
  6. Step 6: Final answer
    x = 2,038.93

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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.