Home / 3,994.28-5,989.40-2,328.94

Finding the Fourth Proportional to 3,994.28, 5,989.40 and 2,328.94

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Solution

The fourth proportional to 3,994.28, 5,989.40 and 2,328.94 is: 3,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.28 : 5,989.40 = 2,328.94 : x
  2. Step 2: Convert to fraction form
    3,994.28/5,989.40 = 2,328.94/x
  3. Step 3: Cross multiply
    3,994.28x = 5,989.40 × 2,328.94
  4. Step 4: Simplify right side
    3,994.28x = 13,948,953.24
  5. Step 5: Solve for x
    x = 13,948,953.24/3,994.28
  6. Step 6: Final answer
    x = 3,492.23

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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.