Home / 3,143.50-4,337.52-1,816.96

Finding the Fourth Proportional to 3,143.50, 4,337.52 and 1,816.96

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Solution

The fourth proportional to 3,143.50, 4,337.52 and 1,816.96 is: 2,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.50 : 4,337.52 = 1,816.96 : x
  2. Step 2: Convert to fraction form
    3,143.50/4,337.52 = 1,816.96/x
  3. Step 3: Cross multiply
    3,143.50x = 4,337.52 × 1,816.96
  4. Step 4: Simplify right side
    3,143.50x = 7,881,100.34
  5. Step 5: Solve for x
    x = 7,881,100.34/3,143.50
  6. Step 6: Final answer
    x = 2,507.11

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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.