Home / 2,319.28-3,181.01-2,193.76

Finding the Fourth Proportional to 2,319.28, 3,181.01 and 2,193.76

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Solution

The fourth proportional to 2,319.28, 3,181.01 and 2,193.76 is: 3,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.28 : 3,181.01 = 2,193.76 : x
  2. Step 2: Convert to fraction form
    2,319.28/3,181.01 = 2,193.76/x
  3. Step 3: Cross multiply
    2,319.28x = 3,181.01 × 2,193.76
  4. Step 4: Simplify right side
    2,319.28x = 6,978,372.50
  5. Step 5: Solve for x
    x = 6,978,372.50/2,319.28
  6. Step 6: Final answer
    x = 3,008.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.