Home / 2,930.32-4,395.48-1,081.84

Finding the Fourth Proportional to 2,930.32, 4,395.48 and 1,081.84

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Solution

The fourth proportional to 2,930.32, 4,395.48 and 1,081.84 is: 1,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.32 : 4,395.48 = 1,081.84 : x
  2. Step 2: Convert to fraction form
    2,930.32/4,395.48 = 1,081.84/x
  3. Step 3: Cross multiply
    2,930.32x = 4,395.48 × 1,081.84
  4. Step 4: Simplify right side
    2,930.32x = 4,755,206.08
  5. Step 5: Solve for x
    x = 4,755,206.08/2,930.32
  6. Step 6: Final answer
    x = 1,622.76

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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.