Home / 3,769.02-5,656.99-1,921.46

Finding the Fourth Proportional to 3,769.02, 5,656.99 and 1,921.46

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Solution

The fourth proportional to 3,769.02, 5,656.99 and 1,921.46 is: 2,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.02 : 5,656.99 = 1,921.46 : x
  2. Step 2: Convert to fraction form
    3,769.02/5,656.99 = 1,921.46/x
  3. Step 3: Cross multiply
    3,769.02x = 5,656.99 × 1,921.46
  4. Step 4: Simplify right side
    3,769.02x = 10,869,680.01
  5. Step 5: Solve for x
    x = 10,869,680.01/3,769.02
  6. Step 6: Final answer
    x = 2,883.95

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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.