Home / 2,918.12-4,373.52-1,161.23

Finding the Fourth Proportional to 2,918.12, 4,373.52 and 1,161.23

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Solution

The fourth proportional to 2,918.12, 4,373.52 and 1,161.23 is: 1,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.12 : 4,373.52 = 1,161.23 : x
  2. Step 2: Convert to fraction form
    2,918.12/4,373.52 = 1,161.23/x
  3. Step 3: Cross multiply
    2,918.12x = 4,373.52 × 1,161.23
  4. Step 4: Simplify right side
    2,918.12x = 5,078,640.76
  5. Step 5: Solve for x
    x = 5,078,640.76/2,918.12
  6. Step 6: Final answer
    x = 1,740.38

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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.