Home / 2,835.28-4,242.38-2,486.98

Finding the Fourth Proportional to 2,835.28, 4,242.38 and 2,486.98

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Solution

The fourth proportional to 2,835.28, 4,242.38 and 2,486.98 is: 3,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.28 : 4,242.38 = 2,486.98 : x
  2. Step 2: Convert to fraction form
    2,835.28/4,242.38 = 2,486.98/x
  3. Step 3: Cross multiply
    2,835.28x = 4,242.38 × 2,486.98
  4. Step 4: Simplify right side
    2,835.28x = 10,550,714.21
  5. Step 5: Solve for x
    x = 10,550,714.21/2,835.28
  6. Step 6: Final answer
    x = 3,721.22

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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.