Home / 3,439.98-5,158.98-1,359.18

Finding the Fourth Proportional to 3,439.98, 5,158.98 and 1,359.18

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Solution

The fourth proportional to 3,439.98, 5,158.98 and 1,359.18 is: 2,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.98 : 5,158.98 = 1,359.18 : x
  2. Step 2: Convert to fraction form
    3,439.98/5,158.98 = 1,359.18/x
  3. Step 3: Cross multiply
    3,439.98x = 5,158.98 × 1,359.18
  4. Step 4: Simplify right side
    3,439.98x = 7,011,982.44
  5. Step 5: Solve for x
    x = 7,011,982.44/3,439.98
  6. Step 6: Final answer
    x = 2,038.38

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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.