Home / 3,142.50-4,337.42-1,816.01

Finding the Fourth Proportional to 3,142.50, 4,337.42 and 1,816.01

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Solution

The fourth proportional to 3,142.50, 4,337.42 and 1,816.01 is: 2,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.50 : 4,337.42 = 1,816.01 : x
  2. Step 2: Convert to fraction form
    3,142.50/4,337.42 = 1,816.01/x
  3. Step 3: Cross multiply
    3,142.50x = 4,337.42 × 1,816.01
  4. Step 4: Simplify right side
    3,142.50x = 7,876,798.09
  5. Step 5: Solve for x
    x = 7,876,798.09/3,142.50
  6. Step 6: Final answer
    x = 2,506.54

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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.