Home / 2,962.30-4,443.45-2,919.10

Finding the Fourth Proportional to 2,962.30, 4,443.45 and 2,919.10

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Solution

The fourth proportional to 2,962.30, 4,443.45 and 2,919.10 is: 4,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.30 : 4,443.45 = 2,919.10 : x
  2. Step 2: Convert to fraction form
    2,962.30/4,443.45 = 2,919.10/x
  3. Step 3: Cross multiply
    2,962.30x = 4,443.45 × 2,919.10
  4. Step 4: Simplify right side
    2,962.30x = 12,970,874.90
  5. Step 5: Solve for x
    x = 12,970,874.90/2,962.30
  6. Step 6: Final answer
    x = 4,378.65

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1.5x scale

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.