Home / 2,354.85-3,248.25-1,558.22

Finding the Fourth Proportional to 2,354.85, 3,248.25 and 1,558.22

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Solution

The fourth proportional to 2,354.85, 3,248.25 and 1,558.22 is: 2,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.85 : 3,248.25 = 1,558.22 : x
  2. Step 2: Convert to fraction form
    2,354.85/3,248.25 = 1,558.22/x
  3. Step 3: Cross multiply
    2,354.85x = 3,248.25 × 1,558.22
  4. Step 4: Simplify right side
    2,354.85x = 5,061,471.87
  5. Step 5: Solve for x
    x = 5,061,471.87/2,354.85
  6. Step 6: Final answer
    x = 2,149.38

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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.