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Finding the Fourth Proportional to 3,230.95, 4,847.12 and 1,041.23

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Solution

The fourth proportional to 3,230.95, 4,847.12 and 1,041.23 is: 1,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.95 : 4,847.12 = 1,041.23 : x
  2. Step 2: Convert to fraction form
    3,230.95/4,847.12 = 1,041.23/x
  3. Step 3: Cross multiply
    3,230.95x = 4,847.12 × 1,041.23
  4. Step 4: Simplify right side
    3,230.95x = 5,046,966.76
  5. Step 5: Solve for x
    x = 5,046,966.76/3,230.95
  6. Step 6: Final answer
    x = 1,562.07

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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.