Home / 3,717.36-5,130-2,320.92

Finding the Fourth Proportional to 3,717.36, 5,130 and 2,320.92

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Solution

The fourth proportional to 3,717.36, 5,130 and 2,320.92 is: 3,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.36 : 5,130 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    3,717.36/5,130 = 2,320.92/x
  3. Step 3: Cross multiply
    3,717.36x = 5,130 × 2,320.92
  4. Step 4: Simplify right side
    3,717.36x = 11,906,319.60
  5. Step 5: Solve for x
    x = 11,906,319.60/3,717.36
  6. Step 6: Final answer
    x = 3,202.90

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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.