Home / 2,883.76-4,321.56-1,423.96

Finding the Fourth Proportional to 2,883.76, 4,321.56 and 1,423.96

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Solution

The fourth proportional to 2,883.76, 4,321.56 and 1,423.96 is: 2,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.76 : 4,321.56 = 1,423.96 : x
  2. Step 2: Convert to fraction form
    2,883.76/4,321.56 = 1,423.96/x
  3. Step 3: Cross multiply
    2,883.76x = 4,321.56 × 1,423.96
  4. Step 4: Simplify right side
    2,883.76x = 6,153,728.58
  5. Step 5: Solve for x
    x = 6,153,728.58/2,883.76
  6. Step 6: Final answer
    x = 2,133.93

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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.