Home / 2,074.60-3,110.28-1,149.58

Finding the Fourth Proportional to 2,074.60, 3,110.28 and 1,149.58

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Solution

The fourth proportional to 2,074.60, 3,110.28 and 1,149.58 is: 1,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.60 : 3,110.28 = 1,149.58 : x
  2. Step 2: Convert to fraction form
    2,074.60/3,110.28 = 1,149.58/x
  3. Step 3: Cross multiply
    2,074.60x = 3,110.28 × 1,149.58
  4. Step 4: Simplify right side
    2,074.60x = 3,575,515.68
  5. Step 5: Solve for x
    x = 3,575,515.68/2,074.60
  6. Step 6: Final answer
    x = 1,723.47

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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.