Home / 2,102.02-2,901.42-1,262.86

Finding the Fourth Proportional to 2,102.02, 2,901.42 and 1,262.86

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Solution

The fourth proportional to 2,102.02, 2,901.42 and 1,262.86 is: 1,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.02 : 2,901.42 = 1,262.86 : x
  2. Step 2: Convert to fraction form
    2,102.02/2,901.42 = 1,262.86/x
  3. Step 3: Cross multiply
    2,102.02x = 2,901.42 × 1,262.86
  4. Step 4: Simplify right side
    2,102.02x = 3,664,072.75
  5. Step 5: Solve for x
    x = 3,664,072.75/2,102.02
  6. Step 6: Final answer
    x = 1,743.12

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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.