Home / 1,969.08-2,718.46-1,306.83

Finding the Fourth Proportional to 1,969.08, 2,718.46 and 1,306.83

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Solution

The fourth proportional to 1,969.08, 2,718.46 and 1,306.83 is: 1,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.08 : 2,718.46 = 1,306.83 : x
  2. Step 2: Convert to fraction form
    1,969.08/2,718.46 = 1,306.83/x
  3. Step 3: Cross multiply
    1,969.08x = 2,718.46 × 1,306.83
  4. Step 4: Simplify right side
    1,969.08x = 3,552,565.08
  5. Step 5: Solve for x
    x = 3,552,565.08/1,969.08
  6. Step 6: Final answer
    x = 1,804.18

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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.