Home / 2,752.19-4,127.93-804.59

Finding the Fourth Proportional to 2,752.19, 4,127.93 and 804.59

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Solution

The fourth proportional to 2,752.19, 4,127.93 and 804.59 is: 1,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.19 : 4,127.93 = 804.59 : x
  2. Step 2: Convert to fraction form
    2,752.19/4,127.93 = 804.59/x
  3. Step 3: Cross multiply
    2,752.19x = 4,127.93 × 804.59
  4. Step 4: Simplify right side
    2,752.19x = 3,321,287.18
  5. Step 5: Solve for x
    x = 3,321,287.18/2,752.19
  6. Step 6: Final answer
    x = 1,206.78

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1.5x scale

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.