Home / 2,968.60-4,451.55-1,324.30

Finding the Fourth Proportional to 2,968.60, 4,451.55 and 1,324.30

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Solution

The fourth proportional to 2,968.60, 4,451.55 and 1,324.30 is: 1,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.60 : 4,451.55 = 1,324.30 : x
  2. Step 2: Convert to fraction form
    2,968.60/4,451.55 = 1,324.30/x
  3. Step 3: Cross multiply
    2,968.60x = 4,451.55 × 1,324.30
  4. Step 4: Simplify right side
    2,968.60x = 5,895,187.67
  5. Step 5: Solve for x
    x = 5,895,187.67/2,968.60
  6. Step 6: Final answer
    x = 1,985.85

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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.