Home / 1,400.62-2,101.73-1,397.34

Finding the Fourth Proportional to 1,400.62, 2,101.73 and 1,397.34

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Solution

The fourth proportional to 1,400.62, 2,101.73 and 1,397.34 is: 2,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.62 : 2,101.73 = 1,397.34 : x
  2. Step 2: Convert to fraction form
    1,400.62/2,101.73 = 1,397.34/x
  3. Step 3: Cross multiply
    1,400.62x = 2,101.73 × 1,397.34
  4. Step 4: Simplify right side
    1,400.62x = 2,936,831.40
  5. Step 5: Solve for x
    x = 2,936,831.40/1,400.62
  6. Step 6: Final answer
    x = 2,096.81

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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.