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Finding the Fourth Proportional to 3,099.12, 4,648.12 and 1,250.16

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Solution

The fourth proportional to 3,099.12, 4,648.12 and 1,250.16 is: 1,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.12 : 4,648.12 = 1,250.16 : x
  2. Step 2: Convert to fraction form
    3,099.12/4,648.12 = 1,250.16/x
  3. Step 3: Cross multiply
    3,099.12x = 4,648.12 × 1,250.16
  4. Step 4: Simplify right side
    3,099.12x = 5,810,893.70
  5. Step 5: Solve for x
    x = 5,810,893.70/3,099.12
  6. Step 6: Final answer
    x = 1,875.01

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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.