Home / 3,994.77-5,988.28-2,240.61

Finding the Fourth Proportional to 3,994.77, 5,988.28 and 2,240.61

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Solution

The fourth proportional to 3,994.77, 5,988.28 and 2,240.61 is: 3,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.77 : 5,988.28 = 2,240.61 : x
  2. Step 2: Convert to fraction form
    3,994.77/5,988.28 = 2,240.61/x
  3. Step 3: Cross multiply
    3,994.77x = 5,988.28 × 2,240.61
  4. Step 4: Simplify right side
    3,994.77x = 13,417,409.88
  5. Step 5: Solve for x
    x = 13,417,409.88/3,994.77
  6. Step 6: Final answer
    x = 3,358.75

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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.