Home / 1,948.18-2,922.19-487.33

Finding the Fourth Proportional to 1,948.18, 2,922.19 and 487.33

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Solution

The fourth proportional to 1,948.18, 2,922.19 and 487.33 is: 730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.18 : 2,922.19 = 487.33 : x
  2. Step 2: Convert to fraction form
    1,948.18/2,922.19 = 487.33/x
  3. Step 3: Cross multiply
    1,948.18x = 2,922.19 × 487.33
  4. Step 4: Simplify right side
    1,948.18x = 1,424,070.85
  5. Step 5: Solve for x
    x = 1,424,070.85/1,948.18
  6. Step 6: Final answer
    x = 730.97

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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.