Home / 3,354.55-4,626.05-2,158.31

Finding the Fourth Proportional to 3,354.55, 4,626.05 and 2,158.31

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Solution

The fourth proportional to 3,354.55, 4,626.05 and 2,158.31 is: 2,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.55 : 4,626.05 = 2,158.31 : x
  2. Step 2: Convert to fraction form
    3,354.55/4,626.05 = 2,158.31/x
  3. Step 3: Cross multiply
    3,354.55x = 4,626.05 × 2,158.31
  4. Step 4: Simplify right side
    3,354.55x = 9,984,449.98
  5. Step 5: Solve for x
    x = 9,984,449.98/3,354.55
  6. Step 6: Final answer
    x = 2,976.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.