Home / 3,564.91-5,348.51-1,715.78

Finding the Fourth Proportional to 3,564.91, 5,348.51 and 1,715.78

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Solution

The fourth proportional to 3,564.91, 5,348.51 and 1,715.78 is: 2,574.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.91 : 5,348.51 = 1,715.78 : x
  2. Step 2: Convert to fraction form
    3,564.91/5,348.51 = 1,715.78/x
  3. Step 3: Cross multiply
    3,564.91x = 5,348.51 × 1,715.78
  4. Step 4: Simplify right side
    3,564.91x = 9,176,866.49
  5. Step 5: Solve for x
    x = 9,176,866.49/3,564.91
  6. Step 6: Final answer
    x = 2,574.22

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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.