Home / 1,932.26-2,666.79-1,146.15

Finding the Fourth Proportional to 1,932.26, 2,666.79 and 1,146.15

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Solution

The fourth proportional to 1,932.26, 2,666.79 and 1,146.15 is: 1,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.26 : 2,666.79 = 1,146.15 : x
  2. Step 2: Convert to fraction form
    1,932.26/2,666.79 = 1,146.15/x
  3. Step 3: Cross multiply
    1,932.26x = 2,666.79 × 1,146.15
  4. Step 4: Simplify right side
    1,932.26x = 3,056,541.36
  5. Step 5: Solve for x
    x = 3,056,541.36/1,932.26
  6. Step 6: Final answer
    x = 1,581.85

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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.