Home / 3,459.28-5,144.90-3,355.60

Finding the Fourth Proportional to 3,459.28, 5,144.90 and 3,355.60

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Solution

The fourth proportional to 3,459.28, 5,144.90 and 3,355.60 is: 4,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.28 : 5,144.90 = 3,355.60 : x
  2. Step 2: Convert to fraction form
    3,459.28/5,144.90 = 3,355.60/x
  3. Step 3: Cross multiply
    3,459.28x = 5,144.90 × 3,355.60
  4. Step 4: Simplify right side
    3,459.28x = 17,264,226.44
  5. Step 5: Solve for x
    x = 17,264,226.44/3,459.28
  6. Step 6: Final answer
    x = 4,990.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.