Home / 3,074.50-4,242.93-1,748.44

Finding the Fourth Proportional to 3,074.50, 4,242.93 and 1,748.44

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Solution

The fourth proportional to 3,074.50, 4,242.93 and 1,748.44 is: 2,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.50 : 4,242.93 = 1,748.44 : x
  2. Step 2: Convert to fraction form
    3,074.50/4,242.93 = 1,748.44/x
  3. Step 3: Cross multiply
    3,074.50x = 4,242.93 × 1,748.44
  4. Step 4: Simplify right side
    3,074.50x = 7,418,508.53
  5. Step 5: Solve for x
    x = 7,418,508.53/3,074.50
  6. Step 6: Final answer
    x = 2,412.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.