Home / 2,147.63-2,963.27-1,263.11

Finding the Fourth Proportional to 2,147.63, 2,963.27 and 1,263.11

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Solution

The fourth proportional to 2,147.63, 2,963.27 and 1,263.11 is: 1,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.63 : 2,963.27 = 1,263.11 : x
  2. Step 2: Convert to fraction form
    2,147.63/2,963.27 = 1,263.11/x
  3. Step 3: Cross multiply
    2,147.63x = 2,963.27 × 1,263.11
  4. Step 4: Simplify right side
    2,147.63x = 3,742,914.84
  5. Step 5: Solve for x
    x = 3,742,914.84/2,147.63
  6. Step 6: Final answer
    x = 1,742.82

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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.