Home / 1,846.13-2,769.19-478.13

Finding the Fourth Proportional to 1,846.13, 2,769.19 and 478.13

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Solution

The fourth proportional to 1,846.13, 2,769.19 and 478.13 is: 717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.13 : 2,769.19 = 478.13 : x
  2. Step 2: Convert to fraction form
    1,846.13/2,769.19 = 478.13/x
  3. Step 3: Cross multiply
    1,846.13x = 2,769.19 × 478.13
  4. Step 4: Simplify right side
    1,846.13x = 1,324,017.77
  5. Step 5: Solve for x
    x = 1,324,017.77/1,846.13
  6. Step 6: Final answer
    x = 717.19

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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.