Home / 3,663.40-5,055.08-2,069.87

Finding the Fourth Proportional to 3,663.40, 5,055.08 and 2,069.87

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Solution

The fourth proportional to 3,663.40, 5,055.08 and 2,069.87 is: 2,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.40 : 5,055.08 = 2,069.87 : x
  2. Step 2: Convert to fraction form
    3,663.40/5,055.08 = 2,069.87/x
  3. Step 3: Cross multiply
    3,663.40x = 5,055.08 × 2,069.87
  4. Step 4: Simplify right side
    3,663.40x = 10,463,371.08
  5. Step 5: Solve for x
    x = 10,463,371.08/3,663.40
  6. Step 6: Final answer
    x = 2,856.20

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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.