Home / 2,860.98-4,291.94-1,011.61

Finding the Fourth Proportional to 2,860.98, 4,291.94 and 1,011.61

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Solution

The fourth proportional to 2,860.98, 4,291.94 and 1,011.61 is: 1,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.98 : 4,291.94 = 1,011.61 : x
  2. Step 2: Convert to fraction form
    2,860.98/4,291.94 = 1,011.61/x
  3. Step 3: Cross multiply
    2,860.98x = 4,291.94 × 1,011.61
  4. Step 4: Simplify right side
    2,860.98x = 4,341,769.42
  5. Step 5: Solve for x
    x = 4,341,769.42/2,860.98
  6. Step 6: Final answer
    x = 1,517.58

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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.