Home / 2,867.13-4,295.14-1,678.30

Finding the Fourth Proportional to 2,867.13, 4,295.14 and 1,678.30

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Solution

The fourth proportional to 2,867.13, 4,295.14 and 1,678.30 is: 2,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.13 : 4,295.14 = 1,678.30 : x
  2. Step 2: Convert to fraction form
    2,867.13/4,295.14 = 1,678.30/x
  3. Step 3: Cross multiply
    2,867.13x = 4,295.14 × 1,678.30
  4. Step 4: Simplify right side
    2,867.13x = 7,208,518.53
  5. Step 5: Solve for x
    x = 7,208,518.53/2,867.13
  6. Step 6: Final answer
    x = 2,514.19

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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.