Home / 2,850.71-4,268.18-1,461.05

Finding the Fourth Proportional to 2,850.71, 4,268.18 and 1,461.05

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Solution

The fourth proportional to 2,850.71, 4,268.18 and 1,461.05 is: 2,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.71 : 4,268.18 = 1,461.05 : x
  2. Step 2: Convert to fraction form
    2,850.71/4,268.18 = 1,461.05/x
  3. Step 3: Cross multiply
    2,850.71x = 4,268.18 × 1,461.05
  4. Step 4: Simplify right side
    2,850.71x = 6,236,024.39
  5. Step 5: Solve for x
    x = 6,236,024.39/2,850.71
  6. Step 6: Final answer
    x = 2,187.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.