Home / 3,862.46-5,783.16-2,689.58

Finding the Fourth Proportional to 3,862.46, 5,783.16 and 2,689.58

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Solution

The fourth proportional to 3,862.46, 5,783.16 and 2,689.58 is: 4,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.46 : 5,783.16 = 2,689.58 : x
  2. Step 2: Convert to fraction form
    3,862.46/5,783.16 = 2,689.58/x
  3. Step 3: Cross multiply
    3,862.46x = 5,783.16 × 2,689.58
  4. Step 4: Simplify right side
    3,862.46x = 15,554,271.47
  5. Step 5: Solve for x
    x = 15,554,271.47/3,862.46
  6. Step 6: Final answer
    x = 4,027.04

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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.