Home / 1,943.52-2,681.91-1,059.30

Finding the Fourth Proportional to 1,943.52, 2,681.91 and 1,059.30

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Solution

The fourth proportional to 1,943.52, 2,681.91 and 1,059.30 is: 1,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.52 : 2,681.91 = 1,059.30 : x
  2. Step 2: Convert to fraction form
    1,943.52/2,681.91 = 1,059.30/x
  3. Step 3: Cross multiply
    1,943.52x = 2,681.91 × 1,059.30
  4. Step 4: Simplify right side
    1,943.52x = 2,840,947.26
  5. Step 5: Solve for x
    x = 2,840,947.26/1,943.52
  6. Step 6: Final answer
    x = 1,461.75

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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.