Home / 1,882.64-2,821.79-1,015.13

Finding the Fourth Proportional to 1,882.64, 2,821.79 and 1,015.13

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Solution

The fourth proportional to 1,882.64, 2,821.79 and 1,015.13 is: 1,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.64 : 2,821.79 = 1,015.13 : x
  2. Step 2: Convert to fraction form
    1,882.64/2,821.79 = 1,015.13/x
  3. Step 3: Cross multiply
    1,882.64x = 2,821.79 × 1,015.13
  4. Step 4: Simplify right side
    1,882.64x = 2,864,464.50
  5. Step 5: Solve for x
    x = 2,864,464.50/1,882.64
  6. Step 6: Final answer
    x = 1,521.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.