Home / 1,998.03-2,756.85-1,252.16

Finding the Fourth Proportional to 1,998.03, 2,756.85 and 1,252.16

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Solution

The fourth proportional to 1,998.03, 2,756.85 and 1,252.16 is: 1,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.03 : 2,756.85 = 1,252.16 : x
  2. Step 2: Convert to fraction form
    1,998.03/2,756.85 = 1,252.16/x
  3. Step 3: Cross multiply
    1,998.03x = 2,756.85 × 1,252.16
  4. Step 4: Simplify right side
    1,998.03x = 3,452,003.51
  5. Step 5: Solve for x
    x = 3,452,003.51/1,998.03
  6. Step 6: Final answer
    x = 1,727.70

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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.