Home / 3,330.10-5,000.55-1,872.10

Finding the Fourth Proportional to 3,330.10, 5,000.55 and 1,872.10

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Solution

The fourth proportional to 3,330.10, 5,000.55 and 1,872.10 is: 2,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.10 : 5,000.55 = 1,872.10 : x
  2. Step 2: Convert to fraction form
    3,330.10/5,000.55 = 1,872.10/x
  3. Step 3: Cross multiply
    3,330.10x = 5,000.55 × 1,872.10
  4. Step 4: Simplify right side
    3,330.10x = 9,361,529.66
  5. Step 5: Solve for x
    x = 9,361,529.66/3,330.10
  6. Step 6: Final answer
    x = 2,811.19

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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.