Home / 3,881.29-5,820.85-1,572.25

Finding the Fourth Proportional to 3,881.29, 5,820.85 and 1,572.25

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Solution

The fourth proportional to 3,881.29, 5,820.85 and 1,572.25 is: 2,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.29 : 5,820.85 = 1,572.25 : x
  2. Step 2: Convert to fraction form
    3,881.29/5,820.85 = 1,572.25/x
  3. Step 3: Cross multiply
    3,881.29x = 5,820.85 × 1,572.25
  4. Step 4: Simplify right side
    3,881.29x = 9,151,831.41
  5. Step 5: Solve for x
    x = 9,151,831.41/3,881.29
  6. Step 6: Final answer
    x = 2,357.94

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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.