Home / 1,943.31-2,681.75-1,059.11

Finding the Fourth Proportional to 1,943.31, 2,681.75 and 1,059.11

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Solution

The fourth proportional to 1,943.31, 2,681.75 and 1,059.11 is: 1,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.31 : 2,681.75 = 1,059.11 : x
  2. Step 2: Convert to fraction form
    1,943.31/2,681.75 = 1,059.11/x
  3. Step 3: Cross multiply
    1,943.31x = 2,681.75 × 1,059.11
  4. Step 4: Simplify right side
    1,943.31x = 2,840,268.24
  5. Step 5: Solve for x
    x = 2,840,268.24/1,943.31
  6. Step 6: Final answer
    x = 1,461.56

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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.