Home / 3,264.40-4,899.30-1,512.10

Finding the Fourth Proportional to 3,264.40, 4,899.30 and 1,512.10

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Solution

The fourth proportional to 3,264.40, 4,899.30 and 1,512.10 is: 2,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.40 : 4,899.30 = 1,512.10 : x
  2. Step 2: Convert to fraction form
    3,264.40/4,899.30 = 1,512.10/x
  3. Step 3: Cross multiply
    3,264.40x = 4,899.30 × 1,512.10
  4. Step 4: Simplify right side
    3,264.40x = 7,408,231.53
  5. Step 5: Solve for x
    x = 7,408,231.53/3,264.40
  6. Step 6: Final answer
    x = 2,269.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.