Home / 3,780.16-5,216.62-2,101.52

Finding the Fourth Proportional to 3,780.16, 5,216.62 and 2,101.52

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Solution

The fourth proportional to 3,780.16, 5,216.62 and 2,101.52 is: 2,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.16 : 5,216.62 = 2,101.52 : x
  2. Step 2: Convert to fraction form
    3,780.16/5,216.62 = 2,101.52/x
  3. Step 3: Cross multiply
    3,780.16x = 5,216.62 × 2,101.52
  4. Step 4: Simplify right side
    3,780.16x = 10,962,831.26
  5. Step 5: Solve for x
    x = 10,962,831.26/3,780.16
  6. Step 6: Final answer
    x = 2,900.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.