Home / 2,893.98-3,993.66-1,715.07

Finding the Fourth Proportional to 2,893.98, 3,993.66 and 1,715.07

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Solution

The fourth proportional to 2,893.98, 3,993.66 and 1,715.07 is: 2,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.98 : 3,993.66 = 1,715.07 : x
  2. Step 2: Convert to fraction form
    2,893.98/3,993.66 = 1,715.07/x
  3. Step 3: Cross multiply
    2,893.98x = 3,993.66 × 1,715.07
  4. Step 4: Simplify right side
    2,893.98x = 6,849,406.46
  5. Step 5: Solve for x
    x = 6,849,406.46/2,893.98
  6. Step 6: Final answer
    x = 2,366.78

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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.