Home / 1,932.47-2,666.46-1,081.74

Finding the Fourth Proportional to 1,932.47, 2,666.46 and 1,081.74

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Solution

The fourth proportional to 1,932.47, 2,666.46 and 1,081.74 is: 1,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.47 : 2,666.46 = 1,081.74 : x
  2. Step 2: Convert to fraction form
    1,932.47/2,666.46 = 1,081.74/x
  3. Step 3: Cross multiply
    1,932.47x = 2,666.46 × 1,081.74
  4. Step 4: Simplify right side
    1,932.47x = 2,884,416.44
  5. Step 5: Solve for x
    x = 2,884,416.44/1,932.47
  6. Step 6: Final answer
    x = 1,492.61

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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.