Home / 2,752.13-4,127.90-804.35

Finding the Fourth Proportional to 2,752.13, 4,127.90 and 804.35

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Solution

The fourth proportional to 2,752.13, 4,127.90 and 804.35 is: 1,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.13 : 4,127.90 = 804.35 : x
  2. Step 2: Convert to fraction form
    2,752.13/4,127.90 = 804.35/x
  3. Step 3: Cross multiply
    2,752.13x = 4,127.90 × 804.35
  4. Step 4: Simplify right side
    2,752.13x = 3,320,282.66
  5. Step 5: Solve for x
    x = 3,320,282.66/2,752.13
  6. Step 6: Final answer
    x = 1,206.44

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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.