Home / 1,932.02-2,665.85-1,146.26

Finding the Fourth Proportional to 1,932.02, 2,665.85 and 1,146.26

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Solution

The fourth proportional to 1,932.02, 2,665.85 and 1,146.26 is: 1,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.02 : 2,665.85 = 1,146.26 : x
  2. Step 2: Convert to fraction form
    1,932.02/2,665.85 = 1,146.26/x
  3. Step 3: Cross multiply
    1,932.02x = 2,665.85 × 1,146.26
  4. Step 4: Simplify right side
    1,932.02x = 3,055,757.22
  5. Step 5: Solve for x
    x = 3,055,757.22/1,932.02
  6. Step 6: Final answer
    x = 1,581.64

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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.