Home / 3,066.35-4,229.68-1,870.77

Finding the Fourth Proportional to 3,066.35, 4,229.68 and 1,870.77

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Solution

The fourth proportional to 3,066.35, 4,229.68 and 1,870.77 is: 2,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.35 : 4,229.68 = 1,870.77 : x
  2. Step 2: Convert to fraction form
    3,066.35/4,229.68 = 1,870.77/x
  3. Step 3: Cross multiply
    3,066.35x = 4,229.68 × 1,870.77
  4. Step 4: Simplify right side
    3,066.35x = 7,912,749.10
  5. Step 5: Solve for x
    x = 7,912,749.10/3,066.35
  6. Step 6: Final answer
    x = 2,580.51

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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.