Home / 3,278.63-4,523.98-1,952.30

Finding the Fourth Proportional to 3,278.63, 4,523.98 and 1,952.30

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Solution

The fourth proportional to 3,278.63, 4,523.98 and 1,952.30 is: 2,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.63 : 4,523.98 = 1,952.30 : x
  2. Step 2: Convert to fraction form
    3,278.63/4,523.98 = 1,952.30/x
  3. Step 3: Cross multiply
    3,278.63x = 4,523.98 × 1,952.30
  4. Step 4: Simplify right side
    3,278.63x = 8,832,166.15
  5. Step 5: Solve for x
    x = 8,832,166.15/3,278.63
  6. Step 6: Final answer
    x = 2,693.86

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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.