Home / 3,717.65-5,576.75-1,251.65

Finding the Fourth Proportional to 3,717.65, 5,576.75 and 1,251.65

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Solution

The fourth proportional to 3,717.65, 5,576.75 and 1,251.65 is: 1,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.65 : 5,576.75 = 1,251.65 : x
  2. Step 2: Convert to fraction form
    3,717.65/5,576.75 = 1,251.65/x
  3. Step 3: Cross multiply
    3,717.65x = 5,576.75 × 1,251.65
  4. Step 4: Simplify right side
    3,717.65x = 6,980,151.51
  5. Step 5: Solve for x
    x = 6,980,151.51/3,717.65
  6. Step 6: Final answer
    x = 1,877.57

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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.