Home / 2,147.40-2,963.46-1,263.03

Finding the Fourth Proportional to 2,147.40, 2,963.46 and 1,263.03

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Solution

The fourth proportional to 2,147.40, 2,963.46 and 1,263.03 is: 1,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.40 : 2,963.46 = 1,263.03 : x
  2. Step 2: Convert to fraction form
    2,147.40/2,963.46 = 1,263.03/x
  3. Step 3: Cross multiply
    2,147.40x = 2,963.46 × 1,263.03
  4. Step 4: Simplify right side
    2,147.40x = 3,742,938.88
  5. Step 5: Solve for x
    x = 3,742,938.88/2,147.40
  6. Step 6: Final answer
    x = 1,743.01

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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.