Home / 2,875.19-4,309.18-1,229.81

Finding the Fourth Proportional to 2,875.19, 4,309.18 and 1,229.81

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Solution

The fourth proportional to 2,875.19, 4,309.18 and 1,229.81 is: 1,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.19 : 4,309.18 = 1,229.81 : x
  2. Step 2: Convert to fraction form
    2,875.19/4,309.18 = 1,229.81/x
  3. Step 3: Cross multiply
    2,875.19x = 4,309.18 × 1,229.81
  4. Step 4: Simplify right side
    2,875.19x = 5,299,448.04
  5. Step 5: Solve for x
    x = 5,299,448.04/2,875.19
  6. Step 6: Final answer
    x = 1,843.17

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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.