Home / 3,074.50-4,242.99-1,748.26

Finding the Fourth Proportional to 3,074.50, 4,242.99 and 1,748.26

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Solution

The fourth proportional to 3,074.50, 4,242.99 and 1,748.26 is: 2,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.50 : 4,242.99 = 1,748.26 : x
  2. Step 2: Convert to fraction form
    3,074.50/4,242.99 = 1,748.26/x
  3. Step 3: Cross multiply
    3,074.50x = 4,242.99 × 1,748.26
  4. Step 4: Simplify right side
    3,074.50x = 7,417,849.70
  5. Step 5: Solve for x
    x = 7,417,849.70/3,074.50
  6. Step 6: Final answer
    x = 2,412.70

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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.