Home / 3,994.47-5,512.25-2,503.20

Finding the Fourth Proportional to 3,994.47, 5,512.25 and 2,503.20

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Solution

The fourth proportional to 3,994.47, 5,512.25 and 2,503.20 is: 3,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.47 : 5,512.25 = 2,503.20 : x
  2. Step 2: Convert to fraction form
    3,994.47/5,512.25 = 2,503.20/x
  3. Step 3: Cross multiply
    3,994.47x = 5,512.25 × 2,503.20
  4. Step 4: Simplify right side
    3,994.47x = 13,798,235.71
  5. Step 5: Solve for x
    x = 13,798,235.71/3,994.47
  6. Step 6: Final answer
    x = 3,454.33

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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.