Home / 2,584.12-3,565.56-1,640.20

Finding the Fourth Proportional to 2,584.12, 3,565.56 and 1,640.20

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Solution

The fourth proportional to 2,584.12, 3,565.56 and 1,640.20 is: 2,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.12 : 3,565.56 = 1,640.20 : x
  2. Step 2: Convert to fraction form
    2,584.12/3,565.56 = 1,640.20/x
  3. Step 3: Cross multiply
    2,584.12x = 3,565.56 × 1,640.20
  4. Step 4: Simplify right side
    2,584.12x = 5,848,231.51
  5. Step 5: Solve for x
    x = 5,848,231.51/2,584.12
  6. Step 6: Final answer
    x = 2,263.14

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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.