Home / 2,862.27-4,289.13-2,345.90

Finding the Fourth Proportional to 2,862.27, 4,289.13 and 2,345.90

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Solution

The fourth proportional to 2,862.27, 4,289.13 and 2,345.90 is: 3,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.27 : 4,289.13 = 2,345.90 : x
  2. Step 2: Convert to fraction form
    2,862.27/4,289.13 = 2,345.90/x
  3. Step 3: Cross multiply
    2,862.27x = 4,289.13 × 2,345.90
  4. Step 4: Simplify right side
    2,862.27x = 10,061,848.62
  5. Step 5: Solve for x
    x = 10,061,848.62/2,862.27
  6. Step 6: Final answer
    x = 3,515.34

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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.