Home / 2,693.25-3,715.43-1,907.73

Finding the Fourth Proportional to 2,693.25, 3,715.43 and 1,907.73

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Solution

The fourth proportional to 2,693.25, 3,715.43 and 1,907.73 is: 2,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.25 : 3,715.43 = 1,907.73 : x
  2. Step 2: Convert to fraction form
    2,693.25/3,715.43 = 1,907.73/x
  3. Step 3: Cross multiply
    2,693.25x = 3,715.43 × 1,907.73
  4. Step 4: Simplify right side
    2,693.25x = 7,088,027.74
  5. Step 5: Solve for x
    x = 7,088,027.74/2,693.25
  6. Step 6: Final answer
    x = 2,631.77

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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.