Home / 2,930.20-4,412.73-2,641.11

Finding the Fourth Proportional to 2,930.20, 4,412.73 and 2,641.11

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Solution

The fourth proportional to 2,930.20, 4,412.73 and 2,641.11 is: 3,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.20 : 4,412.73 = 2,641.11 : x
  2. Step 2: Convert to fraction form
    2,930.20/4,412.73 = 2,641.11/x
  3. Step 3: Cross multiply
    2,930.20x = 4,412.73 × 2,641.11
  4. Step 4: Simplify right side
    2,930.20x = 11,654,483.83
  5. Step 5: Solve for x
    x = 11,654,483.83/2,930.20
  6. Step 6: Final answer
    x = 3,977.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.