Home / 3,017.60-4,521.92-2,689.28

Finding the Fourth Proportional to 3,017.60, 4,521.92 and 2,689.28

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Solution

The fourth proportional to 3,017.60, 4,521.92 and 2,689.28 is: 4,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.60 : 4,521.92 = 2,689.28 : x
  2. Step 2: Convert to fraction form
    3,017.60/4,521.92 = 2,689.28/x
  3. Step 3: Cross multiply
    3,017.60x = 4,521.92 × 2,689.28
  4. Step 4: Simplify right side
    3,017.60x = 12,160,709.02
  5. Step 5: Solve for x
    x = 12,160,709.02/3,017.60
  6. Step 6: Final answer
    x = 4,029.93

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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.