Home / 2,868.40-4,305.30-1,774.90

Finding the Fourth Proportional to 2,868.40, 4,305.30 and 1,774.90

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Solution

The fourth proportional to 2,868.40, 4,305.30 and 1,774.90 is: 2,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.40 : 4,305.30 = 1,774.90 : x
  2. Step 2: Convert to fraction form
    2,868.40/4,305.30 = 1,774.90/x
  3. Step 3: Cross multiply
    2,868.40x = 4,305.30 × 1,774.90
  4. Step 4: Simplify right side
    2,868.40x = 7,641,476.97
  5. Step 5: Solve for x
    x = 7,641,476.97/2,868.40
  6. Step 6: Final answer
    x = 2,664.02

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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.