Home / 2,391.68-3,588.91-1,004.91

Finding the Fourth Proportional to 2,391.68, 3,588.91 and 1,004.91

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Solution

The fourth proportional to 2,391.68, 3,588.91 and 1,004.91 is: 1,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.68 : 3,588.91 = 1,004.91 : x
  2. Step 2: Convert to fraction form
    2,391.68/3,588.91 = 1,004.91/x
  3. Step 3: Cross multiply
    2,391.68x = 3,588.91 × 1,004.91
  4. Step 4: Simplify right side
    2,391.68x = 3,606,531.55
  5. Step 5: Solve for x
    x = 3,606,531.55/2,391.68
  6. Step 6: Final answer
    x = 1,507.95

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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.