Home / 3,531.81-4,873.99-1,938.47

Finding the Fourth Proportional to 3,531.81, 4,873.99 and 1,938.47

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Solution

The fourth proportional to 3,531.81, 4,873.99 and 1,938.47 is: 2,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.81 : 4,873.99 = 1,938.47 : x
  2. Step 2: Convert to fraction form
    3,531.81/4,873.99 = 1,938.47/x
  3. Step 3: Cross multiply
    3,531.81x = 4,873.99 × 1,938.47
  4. Step 4: Simplify right side
    3,531.81x = 9,448,083.40
  5. Step 5: Solve for x
    x = 9,448,083.40/3,531.81
  6. Step 6: Final answer
    x = 2,675.14

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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.