Home / 2,740.27-4,114.04-1,853.78

Finding the Fourth Proportional to 2,740.27, 4,114.04 and 1,853.78

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Solution

The fourth proportional to 2,740.27, 4,114.04 and 1,853.78 is: 2,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.27 : 4,114.04 = 1,853.78 : x
  2. Step 2: Convert to fraction form
    2,740.27/4,114.04 = 1,853.78/x
  3. Step 3: Cross multiply
    2,740.27x = 4,114.04 × 1,853.78
  4. Step 4: Simplify right side
    2,740.27x = 7,626,525.07
  5. Step 5: Solve for x
    x = 7,626,525.07/2,740.27
  6. Step 6: Final answer
    x = 2,783.13

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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.