Home / 1,943.20-2,681.64-1,059.02

Finding the Fourth Proportional to 1,943.20, 2,681.64 and 1,059.02

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Solution

The fourth proportional to 1,943.20, 2,681.64 and 1,059.02 is: 1,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.20 : 2,681.64 = 1,059.02 : x
  2. Step 2: Convert to fraction form
    1,943.20/2,681.64 = 1,059.02/x
  3. Step 3: Cross multiply
    1,943.20x = 2,681.64 × 1,059.02
  4. Step 4: Simplify right side
    1,943.20x = 2,839,896.98
  5. Step 5: Solve for x
    x = 2,839,896.98/1,943.20
  6. Step 6: Final answer
    x = 1,461.46

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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.