Home / 3,750.57-5,625.21-1,378.13

Finding the Fourth Proportional to 3,750.57, 5,625.21 and 1,378.13

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Solution

The fourth proportional to 3,750.57, 5,625.21 and 1,378.13 is: 2,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.57 : 5,625.21 = 1,378.13 : x
  2. Step 2: Convert to fraction form
    3,750.57/5,625.21 = 1,378.13/x
  3. Step 3: Cross multiply
    3,750.57x = 5,625.21 × 1,378.13
  4. Step 4: Simplify right side
    3,750.57x = 7,752,279.34
  5. Step 5: Solve for x
    x = 7,752,279.34/3,750.57
  6. Step 6: Final answer
    x = 2,066.96

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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.