Home / 3,774.20-5,631.01-3,358.40

Finding the Fourth Proportional to 3,774.20, 5,631.01 and 3,358.40

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Solution

The fourth proportional to 3,774.20, 5,631.01 and 3,358.40 is: 5,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.20 : 5,631.01 = 3,358.40 : x
  2. Step 2: Convert to fraction form
    3,774.20/5,631.01 = 3,358.40/x
  3. Step 3: Cross multiply
    3,774.20x = 5,631.01 × 3,358.40
  4. Step 4: Simplify right side
    3,774.20x = 18,911,183.98
  5. Step 5: Solve for x
    x = 18,911,183.98/3,774.20
  6. Step 6: Final answer
    x = 5,010.65

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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.