Home / 2,675.28-4,020.60-1,308.24

Finding the Fourth Proportional to 2,675.28, 4,020.60 and 1,308.24

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Solution

The fourth proportional to 2,675.28, 4,020.60 and 1,308.24 is: 1,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.28 : 4,020.60 = 1,308.24 : x
  2. Step 2: Convert to fraction form
    2,675.28/4,020.60 = 1,308.24/x
  3. Step 3: Cross multiply
    2,675.28x = 4,020.60 × 1,308.24
  4. Step 4: Simplify right side
    2,675.28x = 5,259,909.74
  5. Step 5: Solve for x
    x = 5,259,909.74/2,675.28
  6. Step 6: Final answer
    x = 1,966.12

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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.