Home / 2,327.04-3,211.12-1,318.69

Finding the Fourth Proportional to 2,327.04, 3,211.12 and 1,318.69

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Solution

The fourth proportional to 2,327.04, 3,211.12 and 1,318.69 is: 1,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.04 : 3,211.12 = 1,318.69 : x
  2. Step 2: Convert to fraction form
    2,327.04/3,211.12 = 1,318.69/x
  3. Step 3: Cross multiply
    2,327.04x = 3,211.12 × 1,318.69
  4. Step 4: Simplify right side
    2,327.04x = 4,234,477.50
  5. Step 5: Solve for x
    x = 4,234,477.50/2,327.04
  6. Step 6: Final answer
    x = 1,819.68

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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.