Home / 3,312.43-4,968.67-3,119.80

Finding the Fourth Proportional to 3,312.43, 4,968.67 and 3,119.80

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Solution

The fourth proportional to 3,312.43, 4,968.67 and 3,119.80 is: 4,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.43 : 4,968.67 = 3,119.80 : x
  2. Step 2: Convert to fraction form
    3,312.43/4,968.67 = 3,119.80/x
  3. Step 3: Cross multiply
    3,312.43x = 4,968.67 × 3,119.80
  4. Step 4: Simplify right side
    3,312.43x = 15,501,256.67
  5. Step 5: Solve for x
    x = 15,501,256.67/3,312.43
  6. Step 6: Final answer
    x = 4,679.72

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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.