Home / 2,290.16-3,155.88-2,141.84

Finding the Fourth Proportional to 2,290.16, 3,155.88 and 2,141.84

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Solution

The fourth proportional to 2,290.16, 3,155.88 and 2,141.84 is: 2,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.16 : 3,155.88 = 2,141.84 : x
  2. Step 2: Convert to fraction form
    2,290.16/3,155.88 = 2,141.84/x
  3. Step 3: Cross multiply
    2,290.16x = 3,155.88 × 2,141.84
  4. Step 4: Simplify right side
    2,290.16x = 6,759,390.02
  5. Step 5: Solve for x
    x = 6,759,390.02/2,290.16
  6. Step 6: Final answer
    x = 2,951.49

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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.