Home / 2,939.74-4,407.30-2,012.49

Finding the Fourth Proportional to 2,939.74, 4,407.30 and 2,012.49

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Solution

The fourth proportional to 2,939.74, 4,407.30 and 2,012.49 is: 3,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.74 : 4,407.30 = 2,012.49 : x
  2. Step 2: Convert to fraction form
    2,939.74/4,407.30 = 2,012.49/x
  3. Step 3: Cross multiply
    2,939.74x = 4,407.30 × 2,012.49
  4. Step 4: Simplify right side
    2,939.74x = 8,869,615.08
  5. Step 5: Solve for x
    x = 8,869,615.08/2,939.74
  6. Step 6: Final answer
    x = 3,017.14

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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.