Home / 2,918.03-4,354.59-2,606.61

Finding the Fourth Proportional to 2,918.03, 4,354.59 and 2,606.61

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Solution

The fourth proportional to 2,918.03, 4,354.59 and 2,606.61 is: 3,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.03 : 4,354.59 = 2,606.61 : x
  2. Step 2: Convert to fraction form
    2,918.03/4,354.59 = 2,606.61/x
  3. Step 3: Cross multiply
    2,918.03x = 4,354.59 × 2,606.61
  4. Step 4: Simplify right side
    2,918.03x = 11,350,743.94
  5. Step 5: Solve for x
    x = 11,350,743.94/2,918.03
  6. Step 6: Final answer
    x = 3,889.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.