Home / 3,010.25-4,155.81-2,066.60

Finding the Fourth Proportional to 3,010.25, 4,155.81 and 2,066.60

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Solution

The fourth proportional to 3,010.25, 4,155.81 and 2,066.60 is: 2,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.25 : 4,155.81 = 2,066.60 : x
  2. Step 2: Convert to fraction form
    3,010.25/4,155.81 = 2,066.60/x
  3. Step 3: Cross multiply
    3,010.25x = 4,155.81 × 2,066.60
  4. Step 4: Simplify right side
    3,010.25x = 8,588,395.63
  5. Step 5: Solve for x
    x = 8,588,395.63/3,010.25
  6. Step 6: Final answer
    x = 2,853.05

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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.