Home / 3,459.45-4,768.30-2,449.87

Finding the Fourth Proportional to 3,459.45, 4,768.30 and 2,449.87

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Solution

The fourth proportional to 3,459.45, 4,768.30 and 2,449.87 is: 3,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.45 : 4,768.30 = 2,449.87 : x
  2. Step 2: Convert to fraction form
    3,459.45/4,768.30 = 2,449.87/x
  3. Step 3: Cross multiply
    3,459.45x = 4,768.30 × 2,449.87
  4. Step 4: Simplify right side
    3,459.45x = 11,681,703.29
  5. Step 5: Solve for x
    x = 11,681,703.29/3,459.45
  6. Step 6: Final answer
    x = 3,376.75

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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.