Home / 3,911.76-5,868.37-1,571.95

Finding the Fourth Proportional to 3,911.76, 5,868.37 and 1,571.95

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Solution

The fourth proportional to 3,911.76, 5,868.37 and 1,571.95 is: 2,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.76 : 5,868.37 = 1,571.95 : x
  2. Step 2: Convert to fraction form
    3,911.76/5,868.37 = 1,571.95/x
  3. Step 3: Cross multiply
    3,911.76x = 5,868.37 × 1,571.95
  4. Step 4: Simplify right side
    3,911.76x = 9,224,774.81
  5. Step 5: Solve for x
    x = 9,224,774.81/3,911.76
  6. Step 6: Final answer
    x = 2,358.22

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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.