Home / 2,081.45-2,873.58-1,660.45

Finding the Fourth Proportional to 2,081.45, 2,873.58 and 1,660.45

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Solution

The fourth proportional to 2,081.45, 2,873.58 and 1,660.45 is: 2,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.45 : 2,873.58 = 1,660.45 : x
  2. Step 2: Convert to fraction form
    2,081.45/2,873.58 = 1,660.45/x
  3. Step 3: Cross multiply
    2,081.45x = 2,873.58 × 1,660.45
  4. Step 4: Simplify right side
    2,081.45x = 4,771,428.73
  5. Step 5: Solve for x
    x = 4,771,428.73/2,081.45
  6. Step 6: Final answer
    x = 2,292.36

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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.