Home / 2,020.16-2,785.92-1,869.32

Finding the Fourth Proportional to 2,020.16, 2,785.92 and 1,869.32

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Solution

The fourth proportional to 2,020.16, 2,785.92 and 1,869.32 is: 2,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.16 : 2,785.92 = 1,869.32 : x
  2. Step 2: Convert to fraction form
    2,020.16/2,785.92 = 1,869.32/x
  3. Step 3: Cross multiply
    2,020.16x = 2,785.92 × 1,869.32
  4. Step 4: Simplify right side
    2,020.16x = 5,207,775.97
  5. Step 5: Solve for x
    x = 5,207,775.97/2,020.16
  6. Step 6: Final answer
    x = 2,577.90

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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.