Home / 3,386.27-5,079.09-1,045.65

Finding the Fourth Proportional to 3,386.27, 5,079.09 and 1,045.65

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Solution

The fourth proportional to 3,386.27, 5,079.09 and 1,045.65 is: 1,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.27 : 5,079.09 = 1,045.65 : x
  2. Step 2: Convert to fraction form
    3,386.27/5,079.09 = 1,045.65/x
  3. Step 3: Cross multiply
    3,386.27x = 5,079.09 × 1,045.65
  4. Step 4: Simplify right side
    3,386.27x = 5,310,950.46
  5. Step 5: Solve for x
    x = 5,310,950.46/3,386.27
  6. Step 6: Final answer
    x = 1,568.38

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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.