Home / 2,895.07-3,994.32-1,635.97

Finding the Fourth Proportional to 2,895.07, 3,994.32 and 1,635.97

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Solution

The fourth proportional to 2,895.07, 3,994.32 and 1,635.97 is: 2,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.07 : 3,994.32 = 1,635.97 : x
  2. Step 2: Convert to fraction form
    2,895.07/3,994.32 = 1,635.97/x
  3. Step 3: Cross multiply
    2,895.07x = 3,994.32 × 1,635.97
  4. Step 4: Simplify right side
    2,895.07x = 6,534,587.69
  5. Step 5: Solve for x
    x = 6,534,587.69/2,895.07
  6. Step 6: Final answer
    x = 2,257.14

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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.