Home / 2,631.51-3,945.29-1,244.03

Finding the Fourth Proportional to 2,631.51, 3,945.29 and 1,244.03

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Solution

The fourth proportional to 2,631.51, 3,945.29 and 1,244.03 is: 1,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.51 : 3,945.29 = 1,244.03 : x
  2. Step 2: Convert to fraction form
    2,631.51/3,945.29 = 1,244.03/x
  3. Step 3: Cross multiply
    2,631.51x = 3,945.29 × 1,244.03
  4. Step 4: Simplify right side
    2,631.51x = 4,908,033.17
  5. Step 5: Solve for x
    x = 4,908,033.17/2,631.51
  6. Step 6: Final answer
    x = 1,865.10

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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.