Home / 2,860.13-4,285.44-2,752.16

Finding the Fourth Proportional to 2,860.13, 4,285.44 and 2,752.16

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Solution

The fourth proportional to 2,860.13, 4,285.44 and 2,752.16 is: 4,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.13 : 4,285.44 = 2,752.16 : x
  2. Step 2: Convert to fraction form
    2,860.13/4,285.44 = 2,752.16/x
  3. Step 3: Cross multiply
    2,860.13x = 4,285.44 × 2,752.16
  4. Step 4: Simplify right side
    2,860.13x = 11,794,195.12
  5. Step 5: Solve for x
    x = 11,794,195.12/2,860.13
  6. Step 6: Final answer
    x = 4,123.65

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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.