Home / 2,866.47-4,297.19-1,479.11

Finding the Fourth Proportional to 2,866.47, 4,297.19 and 1,479.11

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Solution

The fourth proportional to 2,866.47, 4,297.19 and 1,479.11 is: 2,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.47 : 4,297.19 = 1,479.11 : x
  2. Step 2: Convert to fraction form
    2,866.47/4,297.19 = 1,479.11/x
  3. Step 3: Cross multiply
    2,866.47x = 4,297.19 × 1,479.11
  4. Step 4: Simplify right side
    2,866.47x = 6,355,987.82
  5. Step 5: Solve for x
    x = 6,355,987.82/2,866.47
  6. Step 6: Final answer
    x = 2,217.36

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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.