Home / 2,922.12-4,032.54-1,663.44

Finding the Fourth Proportional to 2,922.12, 4,032.54 and 1,663.44

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Solution

The fourth proportional to 2,922.12, 4,032.54 and 1,663.44 is: 2,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.12 : 4,032.54 = 1,663.44 : x
  2. Step 2: Convert to fraction form
    2,922.12/4,032.54 = 1,663.44/x
  3. Step 3: Cross multiply
    2,922.12x = 4,032.54 × 1,663.44
  4. Step 4: Simplify right side
    2,922.12x = 6,707,888.34
  5. Step 5: Solve for x
    x = 6,707,888.34/2,922.12
  6. Step 6: Final answer
    x = 2,295.56

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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.