Home / 2,288.63-3,158.10-1,293.91

Finding the Fourth Proportional to 2,288.63, 3,158.10 and 1,293.91

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Solution

The fourth proportional to 2,288.63, 3,158.10 and 1,293.91 is: 1,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.63 : 3,158.10 = 1,293.91 : x
  2. Step 2: Convert to fraction form
    2,288.63/3,158.10 = 1,293.91/x
  3. Step 3: Cross multiply
    2,288.63x = 3,158.10 × 1,293.91
  4. Step 4: Simplify right side
    2,288.63x = 4,086,289.28
  5. Step 5: Solve for x
    x = 4,086,289.28/2,288.63
  6. Step 6: Final answer
    x = 1,785.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.