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Finding the Fourth Proportional to 3,045.52, 4,560.12 and 2,119.12

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Solution

The fourth proportional to 3,045.52, 4,560.12 and 2,119.12 is: 3,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.52 : 4,560.12 = 2,119.12 : x
  2. Step 2: Convert to fraction form
    3,045.52/4,560.12 = 2,119.12/x
  3. Step 3: Cross multiply
    3,045.52x = 4,560.12 × 2,119.12
  4. Step 4: Simplify right side
    3,045.52x = 9,663,441.49
  5. Step 5: Solve for x
    x = 9,663,441.49/3,045.52
  6. Step 6: Final answer
    x = 3,173.00

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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.