Home / 2,851.66-4,273.70-1,618.30

Finding the Fourth Proportional to 2,851.66, 4,273.70 and 1,618.30

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Solution

The fourth proportional to 2,851.66, 4,273.70 and 1,618.30 is: 2,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.66 : 4,273.70 = 1,618.30 : x
  2. Step 2: Convert to fraction form
    2,851.66/4,273.70 = 1,618.30/x
  3. Step 3: Cross multiply
    2,851.66x = 4,273.70 × 1,618.30
  4. Step 4: Simplify right side
    2,851.66x = 6,916,128.71
  5. Step 5: Solve for x
    x = 6,916,128.71/2,851.66
  6. Step 6: Final answer
    x = 2,425.30

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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.