Home / 3,333.11-4,999.80-1,142.06

Finding the Fourth Proportional to 3,333.11, 4,999.80 and 1,142.06

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Solution

The fourth proportional to 3,333.11, 4,999.80 and 1,142.06 is: 1,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.11 : 4,999.80 = 1,142.06 : x
  2. Step 2: Convert to fraction form
    3,333.11/4,999.80 = 1,142.06/x
  3. Step 3: Cross multiply
    3,333.11x = 4,999.80 × 1,142.06
  4. Step 4: Simplify right side
    3,333.11x = 5,710,056.23
  5. Step 5: Solve for x
    x = 5,710,056.23/3,333.11
  6. Step 6: Final answer
    x = 1,713.13

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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.