Home / 3,968.68-5,948.16-2,876.80

Finding the Fourth Proportional to 3,968.68, 5,948.16 and 2,876.80

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Solution

The fourth proportional to 3,968.68, 5,948.16 and 2,876.80 is: 4,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.68 : 5,948.16 = 2,876.80 : x
  2. Step 2: Convert to fraction form
    3,968.68/5,948.16 = 2,876.80/x
  3. Step 3: Cross multiply
    3,968.68x = 5,948.16 × 2,876.80
  4. Step 4: Simplify right side
    3,968.68x = 17,111,666.69
  5. Step 5: Solve for x
    x = 17,111,666.69/3,968.68
  6. Step 6: Final answer
    x = 4,311.68

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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.