Home / 4,102.74-5,661.90-2,334.51

Finding the Fourth Proportional to 4,102.74, 5,661.90 and 2,334.51

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Solution

The fourth proportional to 4,102.74, 5,661.90 and 2,334.51 is: 3,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.74 : 5,661.90 = 2,334.51 : x
  2. Step 2: Convert to fraction form
    4,102.74/5,661.90 = 2,334.51/x
  3. Step 3: Cross multiply
    4,102.74x = 5,661.90 × 2,334.51
  4. Step 4: Simplify right side
    4,102.74x = 13,217,762.17
  5. Step 5: Solve for x
    x = 13,217,762.17/4,102.74
  6. Step 6: Final answer
    x = 3,221.69

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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.