Home / 3,012.30-4,518.77-932.22

Finding the Fourth Proportional to 3,012.30, 4,518.77 and 932.22

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Solution

The fourth proportional to 3,012.30, 4,518.77 and 932.22 is: 1,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.30 : 4,518.77 = 932.22 : x
  2. Step 2: Convert to fraction form
    3,012.30/4,518.77 = 932.22/x
  3. Step 3: Cross multiply
    3,012.30x = 4,518.77 × 932.22
  4. Step 4: Simplify right side
    3,012.30x = 4,212,483.11
  5. Step 5: Solve for x
    x = 4,212,483.11/3,012.30
  6. Step 6: Final answer
    x = 1,398.43

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1.5x scale

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.