Home / 3,818.34-5,265-2,697.30

Finding the Fourth Proportional to 3,818.34, 5,265 and 2,697.30

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Solution

The fourth proportional to 3,818.34, 5,265 and 2,697.30 is: 3,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.34 : 5,265 = 2,697.30 : x
  2. Step 2: Convert to fraction form
    3,818.34/5,265 = 2,697.30/x
  3. Step 3: Cross multiply
    3,818.34x = 5,265 × 2,697.30
  4. Step 4: Simplify right side
    3,818.34x = 14,201,284.50
  5. Step 5: Solve for x
    x = 14,201,284.50/3,818.34
  6. Step 6: Final answer
    x = 3,719.23

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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.