Home / 2,066.08-2,850.87-1,320.70

Finding the Fourth Proportional to 2,066.08, 2,850.87 and 1,320.70

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Solution

The fourth proportional to 2,066.08, 2,850.87 and 1,320.70 is: 1,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.08 : 2,850.87 = 1,320.70 : x
  2. Step 2: Convert to fraction form
    2,066.08/2,850.87 = 1,320.70/x
  3. Step 3: Cross multiply
    2,066.08x = 2,850.87 × 1,320.70
  4. Step 4: Simplify right side
    2,066.08x = 3,765,144.01
  5. Step 5: Solve for x
    x = 3,765,144.01/2,066.08
  6. Step 6: Final answer
    x = 1,822.36

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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.