Home / 2,860.15-4,290.22-1,011.37

Finding the Fourth Proportional to 2,860.15, 4,290.22 and 1,011.37

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Solution

The fourth proportional to 2,860.15, 4,290.22 and 1,011.37 is: 1,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.15 : 4,290.22 = 1,011.37 : x
  2. Step 2: Convert to fraction form
    2,860.15/4,290.22 = 1,011.37/x
  3. Step 3: Cross multiply
    2,860.15x = 4,290.22 × 1,011.37
  4. Step 4: Simplify right side
    2,860.15x = 4,338,999.80
  5. Step 5: Solve for x
    x = 4,338,999.80/2,860.15
  6. Step 6: Final answer
    x = 1,517.05

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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.