Home / 2,727.16-4,090.10-1,265.50

Finding the Fourth Proportional to 2,727.16, 4,090.10 and 1,265.50

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Solution

The fourth proportional to 2,727.16, 4,090.10 and 1,265.50 is: 1,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.16 : 4,090.10 = 1,265.50 : x
  2. Step 2: Convert to fraction form
    2,727.16/4,090.10 = 1,265.50/x
  3. Step 3: Cross multiply
    2,727.16x = 4,090.10 × 1,265.50
  4. Step 4: Simplify right side
    2,727.16x = 5,176,015.22
  5. Step 5: Solve for x
    x = 5,176,015.22/2,727.16
  6. Step 6: Final answer
    x = 1,897.95

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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.