Home / 2,697.21-3,722.14-1,518.29

Finding the Fourth Proportional to 2,697.21, 3,722.14 and 1,518.29

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Solution

The fourth proportional to 2,697.21, 3,722.14 and 1,518.29 is: 2,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.21 : 3,722.14 = 1,518.29 : x
  2. Step 2: Convert to fraction form
    2,697.21/3,722.14 = 1,518.29/x
  3. Step 3: Cross multiply
    2,697.21x = 3,722.14 × 1,518.29
  4. Step 4: Simplify right side
    2,697.21x = 5,651,265.53
  5. Step 5: Solve for x
    x = 5,651,265.53/2,697.21
  6. Step 6: Final answer
    x = 2,095.23

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1.5x scale

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.