Home / 1,943.70-2,682.15-1,059.50

Finding the Fourth Proportional to 1,943.70, 2,682.15 and 1,059.50

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Solution

The fourth proportional to 1,943.70, 2,682.15 and 1,059.50 is: 1,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.70 : 2,682.15 = 1,059.50 : x
  2. Step 2: Convert to fraction form
    1,943.70/2,682.15 = 1,059.50/x
  3. Step 3: Cross multiply
    1,943.70x = 2,682.15 × 1,059.50
  4. Step 4: Simplify right side
    1,943.70x = 2,841,724.51
  5. Step 5: Solve for x
    x = 2,841,724.51/1,943.70
  6. Step 6: Final answer
    x = 1,462.02

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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.