Home / 3,868.18-5,799.66-1,787.03

Finding the Fourth Proportional to 3,868.18, 5,799.66 and 1,787.03

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Solution

The fourth proportional to 3,868.18, 5,799.66 and 1,787.03 is: 2,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.18 : 5,799.66 = 1,787.03 : x
  2. Step 2: Convert to fraction form
    3,868.18/5,799.66 = 1,787.03/x
  3. Step 3: Cross multiply
    3,868.18x = 5,799.66 × 1,787.03
  4. Step 4: Simplify right side
    3,868.18x = 10,364,152.46
  5. Step 5: Solve for x
    x = 10,364,152.46/3,868.18
  6. Step 6: Final answer
    x = 2,679.34

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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.