Home / 3,380.12-5,071.08-1,040.18

Finding the Fourth Proportional to 3,380.12, 5,071.08 and 1,040.18

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Solution

The fourth proportional to 3,380.12, 5,071.08 and 1,040.18 is: 1,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.12 : 5,071.08 = 1,040.18 : x
  2. Step 2: Convert to fraction form
    3,380.12/5,071.08 = 1,040.18/x
  3. Step 3: Cross multiply
    3,380.12x = 5,071.08 × 1,040.18
  4. Step 4: Simplify right side
    3,380.12x = 5,274,810.64
  5. Step 5: Solve for x
    x = 5,274,810.64/3,380.12
  6. Step 6: Final answer
    x = 1,560.54

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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.