Home / 2,835-4,247.76-2,009.28

Finding the Fourth Proportional to 2,835, 4,247.76 and 2,009.28

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Solution

The fourth proportional to 2,835, 4,247.76 and 2,009.28 is: 3,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835 : 4,247.76 = 2,009.28 : x
  2. Step 2: Convert to fraction form
    2,835/4,247.76 = 2,009.28/x
  3. Step 3: Cross multiply
    2,835x = 4,247.76 × 2,009.28
  4. Step 4: Simplify right side
    2,835x = 8,534,939.21
  5. Step 5: Solve for x
    x = 8,534,939.21/2,835
  6. Step 6: Final answer
    x = 3,010.56

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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.