Home / 2,488.09-3,732.81-1,969.81

Finding the Fourth Proportional to 2,488.09, 3,732.81 and 1,969.81

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Solution

The fourth proportional to 2,488.09, 3,732.81 and 1,969.81 is: 2,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.09 : 3,732.81 = 1,969.81 : x
  2. Step 2: Convert to fraction form
    2,488.09/3,732.81 = 1,969.81/x
  3. Step 3: Cross multiply
    2,488.09x = 3,732.81 × 1,969.81
  4. Step 4: Simplify right side
    2,488.09x = 7,352,935.80
  5. Step 5: Solve for x
    x = 7,352,935.80/2,488.09
  6. Step 6: Final answer
    x = 2,955.26

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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.