Home / 2,022.80-3,036.12-1,049.60

Finding the Fourth Proportional to 2,022.80, 3,036.12 and 1,049.60

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Solution

The fourth proportional to 2,022.80, 3,036.12 and 1,049.60 is: 1,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.80 : 3,036.12 = 1,049.60 : x
  2. Step 2: Convert to fraction form
    2,022.80/3,036.12 = 1,049.60/x
  3. Step 3: Cross multiply
    2,022.80x = 3,036.12 × 1,049.60
  4. Step 4: Simplify right side
    2,022.80x = 3,186,711.55
  5. Step 5: Solve for x
    x = 3,186,711.55/2,022.80
  6. Step 6: Final answer
    x = 1,575.40

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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.