Home / 4,080.60-6,122.70-1,888.20

Finding the Fourth Proportional to 4,080.60, 6,122.70 and 1,888.20

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Solution

The fourth proportional to 4,080.60, 6,122.70 and 1,888.20 is: 2,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.60 : 6,122.70 = 1,888.20 : x
  2. Step 2: Convert to fraction form
    4,080.60/6,122.70 = 1,888.20/x
  3. Step 3: Cross multiply
    4,080.60x = 6,122.70 × 1,888.20
  4. Step 4: Simplify right side
    4,080.60x = 11,560,882.14
  5. Step 5: Solve for x
    x = 11,560,882.14/4,080.60
  6. Step 6: Final answer
    x = 2,833.13

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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.