Home / 3,502.20-4,832.88-1,930.20

Finding the Fourth Proportional to 3,502.20, 4,832.88 and 1,930.20

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Solution

The fourth proportional to 3,502.20, 4,832.88 and 1,930.20 is: 2,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.20 : 4,832.88 = 1,930.20 : x
  2. Step 2: Convert to fraction form
    3,502.20/4,832.88 = 1,930.20/x
  3. Step 3: Cross multiply
    3,502.20x = 4,832.88 × 1,930.20
  4. Step 4: Simplify right side
    3,502.20x = 9,328,424.98
  5. Step 5: Solve for x
    x = 9,328,424.98/3,502.20
  6. Step 6: Final answer
    x = 2,663.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.