Home / 2,066.13-2,850.44-1,319.90

Finding the Fourth Proportional to 2,066.13, 2,850.44 and 1,319.90

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Solution

The fourth proportional to 2,066.13, 2,850.44 and 1,319.90 is: 1,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.13 : 2,850.44 = 1,319.90 : x
  2. Step 2: Convert to fraction form
    2,066.13/2,850.44 = 1,319.90/x
  3. Step 3: Cross multiply
    2,066.13x = 2,850.44 × 1,319.90
  4. Step 4: Simplify right side
    2,066.13x = 3,762,274.90
  5. Step 5: Solve for x
    x = 3,762,274.90/2,066.13
  6. Step 6: Final answer
    x = 1,820.93

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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.