Home / 1,948.19-2,688.62-1,162.29

Finding the Fourth Proportional to 1,948.19, 2,688.62 and 1,162.29

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Solution

The fourth proportional to 1,948.19, 2,688.62 and 1,162.29 is: 1,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.19 : 2,688.62 = 1,162.29 : x
  2. Step 2: Convert to fraction form
    1,948.19/2,688.62 = 1,162.29/x
  3. Step 3: Cross multiply
    1,948.19x = 2,688.62 × 1,162.29
  4. Step 4: Simplify right side
    1,948.19x = 3,124,950.33
  5. Step 5: Solve for x
    x = 3,124,950.33/1,948.19
  6. Step 6: Final answer
    x = 1,604.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.