Home / 2,681.76-4,020.75-1,036.92

Finding the Fourth Proportional to 2,681.76, 4,020.75 and 1,036.92

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Solution

The fourth proportional to 2,681.76, 4,020.75 and 1,036.92 is: 1,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.76 : 4,020.75 = 1,036.92 : x
  2. Step 2: Convert to fraction form
    2,681.76/4,020.75 = 1,036.92/x
  3. Step 3: Cross multiply
    2,681.76x = 4,020.75 × 1,036.92
  4. Step 4: Simplify right side
    2,681.76x = 4,169,196.09
  5. Step 5: Solve for x
    x = 4,169,196.09/2,681.76
  6. Step 6: Final answer
    x = 1,554.65

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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.