Home / 3,266.30-4,507.39-1,869.02

Finding the Fourth Proportional to 3,266.30, 4,507.39 and 1,869.02

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Solution

The fourth proportional to 3,266.30, 4,507.39 and 1,869.02 is: 2,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.30 : 4,507.39 = 1,869.02 : x
  2. Step 2: Convert to fraction form
    3,266.30/4,507.39 = 1,869.02/x
  3. Step 3: Cross multiply
    3,266.30x = 4,507.39 × 1,869.02
  4. Step 4: Simplify right side
    3,266.30x = 8,424,402.06
  5. Step 5: Solve for x
    x = 8,424,402.06/3,266.30
  6. Step 6: Final answer
    x = 2,579.19

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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.