Home / 3,628.30-5,442.45-3,426.70

Finding the Fourth Proportional to 3,628.30, 5,442.45 and 3,426.70

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Solution

The fourth proportional to 3,628.30, 5,442.45 and 3,426.70 is: 5,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.30 : 5,442.45 = 3,426.70 : x
  2. Step 2: Convert to fraction form
    3,628.30/5,442.45 = 3,426.70/x
  3. Step 3: Cross multiply
    3,628.30x = 5,442.45 × 3,426.70
  4. Step 4: Simplify right side
    3,628.30x = 18,649,643.42
  5. Step 5: Solve for x
    x = 18,649,643.42/3,628.30
  6. Step 6: Final answer
    x = 5,140.05

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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.