Home / 2,930.39-4,384.77-1,761.10

Finding the Fourth Proportional to 2,930.39, 4,384.77 and 1,761.10

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Solution

The fourth proportional to 2,930.39, 4,384.77 and 1,761.10 is: 2,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.39 : 4,384.77 = 1,761.10 : x
  2. Step 2: Convert to fraction form
    2,930.39/4,384.77 = 1,761.10/x
  3. Step 3: Cross multiply
    2,930.39x = 4,384.77 × 1,761.10
  4. Step 4: Simplify right side
    2,930.39x = 7,722,018.45
  5. Step 5: Solve for x
    x = 7,722,018.45/2,930.39
  6. Step 6: Final answer
    x = 2,635.15

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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.