Home / 2,794.30-4,185.98-1,557.97

Finding the Fourth Proportional to 2,794.30, 4,185.98 and 1,557.97

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Solution

The fourth proportional to 2,794.30, 4,185.98 and 1,557.97 is: 2,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.30 : 4,185.98 = 1,557.97 : x
  2. Step 2: Convert to fraction form
    2,794.30/4,185.98 = 1,557.97/x
  3. Step 3: Cross multiply
    2,794.30x = 4,185.98 × 1,557.97
  4. Step 4: Simplify right side
    2,794.30x = 6,521,618.85
  5. Step 5: Solve for x
    x = 6,521,618.85/2,794.30
  6. Step 6: Final answer
    x = 2,333.90

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1.5x scale

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.