Home / 1,291.43-1,934.87-1,059.97

Finding the Fourth Proportional to 1,291.43, 1,934.87 and 1,059.97

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Solution

The fourth proportional to 1,291.43, 1,934.87 and 1,059.97 is: 1,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291.43 : 1,934.87 = 1,059.97 : x
  2. Step 2: Convert to fraction form
    1,291.43/1,934.87 = 1,059.97/x
  3. Step 3: Cross multiply
    1,291.43x = 1,934.87 × 1,059.97
  4. Step 4: Simplify right side
    1,291.43x = 2,050,904.15
  5. Step 5: Solve for x
    x = 2,050,904.15/1,291.43
  6. Step 6: Final answer
    x = 1,588.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.