Home / 2,869.47-4,300.56-1,571.85

Finding the Fourth Proportional to 2,869.47, 4,300.56 and 1,571.85

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Solution

The fourth proportional to 2,869.47, 4,300.56 and 1,571.85 is: 2,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.47 : 4,300.56 = 1,571.85 : x
  2. Step 2: Convert to fraction form
    2,869.47/4,300.56 = 1,571.85/x
  3. Step 3: Cross multiply
    2,869.47x = 4,300.56 × 1,571.85
  4. Step 4: Simplify right side
    2,869.47x = 6,759,835.24
  5. Step 5: Solve for x
    x = 6,759,835.24/2,869.47
  6. Step 6: Final answer
    x = 2,355.78

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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.