Home / 3,802.73-5,247.47-2,124.05

Finding the Fourth Proportional to 3,802.73, 5,247.47 and 2,124.05

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Solution

The fourth proportional to 3,802.73, 5,247.47 and 2,124.05 is: 2,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.73 : 5,247.47 = 2,124.05 : x
  2. Step 2: Convert to fraction form
    3,802.73/5,247.47 = 2,124.05/x
  3. Step 3: Cross multiply
    3,802.73x = 5,247.47 × 2,124.05
  4. Step 4: Simplify right side
    3,802.73x = 11,145,867.73
  5. Step 5: Solve for x
    x = 11,145,867.73/3,802.73
  6. Step 6: Final answer
    x = 2,931.02

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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.