Home / 3,010.78-4,154.05-2,066.81

Finding the Fourth Proportional to 3,010.78, 4,154.05 and 2,066.81

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Solution

The fourth proportional to 3,010.78, 4,154.05 and 2,066.81 is: 2,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.78 : 4,154.05 = 2,066.81 : x
  2. Step 2: Convert to fraction form
    3,010.78/4,154.05 = 2,066.81/x
  3. Step 3: Cross multiply
    3,010.78x = 4,154.05 × 2,066.81
  4. Step 4: Simplify right side
    3,010.78x = 8,585,632.08
  5. Step 5: Solve for x
    x = 8,585,632.08/3,010.78
  6. Step 6: Final answer
    x = 2,851.63

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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.