Home / 2,147.26-2,963.15-1,263.11

Finding the Fourth Proportional to 2,147.26, 2,963.15 and 1,263.11

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Solution

The fourth proportional to 2,147.26, 2,963.15 and 1,263.11 is: 1,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.26 : 2,963.15 = 1,263.11 : x
  2. Step 2: Convert to fraction form
    2,147.26/2,963.15 = 1,263.11/x
  3. Step 3: Cross multiply
    2,147.26x = 2,963.15 × 1,263.11
  4. Step 4: Simplify right side
    2,147.26x = 3,742,784.40
  5. Step 5: Solve for x
    x = 3,742,784.40/2,147.26
  6. Step 6: Final answer
    x = 1,743.06

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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.