Home / 2,930.01-4,395.60-1,081.13

Finding the Fourth Proportional to 2,930.01, 4,395.60 and 1,081.13

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Solution

The fourth proportional to 2,930.01, 4,395.60 and 1,081.13 is: 1,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.01 : 4,395.60 = 1,081.13 : x
  2. Step 2: Convert to fraction form
    2,930.01/4,395.60 = 1,081.13/x
  3. Step 3: Cross multiply
    2,930.01x = 4,395.60 × 1,081.13
  4. Step 4: Simplify right side
    2,930.01x = 4,752,212.33
  5. Step 5: Solve for x
    x = 4,752,212.33/2,930.01
  6. Step 6: Final answer
    x = 1,621.91

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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.