Home / 2,865.30-4,292.55-1,473.90

Finding the Fourth Proportional to 2,865.30, 4,292.55 and 1,473.90

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Solution

The fourth proportional to 2,865.30, 4,292.55 and 1,473.90 is: 2,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.30 : 4,292.55 = 1,473.90 : x
  2. Step 2: Convert to fraction form
    2,865.30/4,292.55 = 1,473.90/x
  3. Step 3: Cross multiply
    2,865.30x = 4,292.55 × 1,473.90
  4. Step 4: Simplify right side
    2,865.30x = 6,326,789.45
  5. Step 5: Solve for x
    x = 6,326,789.45/2,865.30
  6. Step 6: Final answer
    x = 2,208.07

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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.