Home / 2,930.66-4,398.30-1,083.08

Finding the Fourth Proportional to 2,930.66, 4,398.30 and 1,083.08

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Solution

The fourth proportional to 2,930.66, 4,398.30 and 1,083.08 is: 1,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.66 : 4,398.30 = 1,083.08 : x
  2. Step 2: Convert to fraction form
    2,930.66/4,398.30 = 1,083.08/x
  3. Step 3: Cross multiply
    2,930.66x = 4,398.30 × 1,083.08
  4. Step 4: Simplify right side
    2,930.66x = 4,763,710.76
  5. Step 5: Solve for x
    x = 4,763,710.76/2,930.66
  6. Step 6: Final answer
    x = 1,625.47

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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.