Home / 1,851.08-2,765.38-1,326.92

Finding the Fourth Proportional to 1,851.08, 2,765.38 and 1,326.92

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Solution

The fourth proportional to 1,851.08, 2,765.38 and 1,326.92 is: 1,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.08 : 2,765.38 = 1,326.92 : x
  2. Step 2: Convert to fraction form
    1,851.08/2,765.38 = 1,326.92/x
  3. Step 3: Cross multiply
    1,851.08x = 2,765.38 × 1,326.92
  4. Step 4: Simplify right side
    1,851.08x = 3,669,438.03
  5. Step 5: Solve for x
    x = 3,669,438.03/1,851.08
  6. Step 6: Final answer
    x = 1,982.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.