Home / 2,988.99-4,125.33-1,944.09

Finding the Fourth Proportional to 2,988.99, 4,125.33 and 1,944.09

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Solution

The fourth proportional to 2,988.99, 4,125.33 and 1,944.09 is: 2,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.99 : 4,125.33 = 1,944.09 : x
  2. Step 2: Convert to fraction form
    2,988.99/4,125.33 = 1,944.09/x
  3. Step 3: Cross multiply
    2,988.99x = 4,125.33 × 1,944.09
  4. Step 4: Simplify right side
    2,988.99x = 8,020,012.80
  5. Step 5: Solve for x
    x = 8,020,012.80/2,988.99
  6. Step 6: Final answer
    x = 2,683.18

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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.