Home / 2,022.16-2,788.68-1,871.32

Finding the Fourth Proportional to 2,022.16, 2,788.68 and 1,871.32

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Solution

The fourth proportional to 2,022.16, 2,788.68 and 1,871.32 is: 2,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.16 : 2,788.68 = 1,871.32 : x
  2. Step 2: Convert to fraction form
    2,022.16/2,788.68 = 1,871.32/x
  3. Step 3: Cross multiply
    2,022.16x = 2,788.68 × 1,871.32
  4. Step 4: Simplify right side
    2,022.16x = 5,218,512.66
  5. Step 5: Solve for x
    x = 5,218,512.66/2,022.16
  6. Step 6: Final answer
    x = 2,580.66

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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.