Home / 2,689.02-4,013.84-2,377.98

Finding the Fourth Proportional to 2,689.02, 4,013.84 and 2,377.98

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Solution

The fourth proportional to 2,689.02, 4,013.84 and 2,377.98 is: 3,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.02 : 4,013.84 = 2,377.98 : x
  2. Step 2: Convert to fraction form
    2,689.02/4,013.84 = 2,377.98/x
  3. Step 3: Cross multiply
    2,689.02x = 4,013.84 × 2,377.98
  4. Step 4: Simplify right side
    2,689.02x = 9,544,819.35
  5. Step 5: Solve for x
    x = 9,544,819.35/2,689.02
  6. Step 6: Final answer
    x = 3,549.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.