Home / 2,885.16-4,297.97-2,705.88

Finding the Fourth Proportional to 2,885.16, 4,297.97 and 2,705.88

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Solution

The fourth proportional to 2,885.16, 4,297.97 and 2,705.88 is: 4,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.16 : 4,297.97 = 2,705.88 : x
  2. Step 2: Convert to fraction form
    2,885.16/4,297.97 = 2,705.88/x
  3. Step 3: Cross multiply
    2,885.16x = 4,297.97 × 2,705.88
  4. Step 4: Simplify right side
    2,885.16x = 11,629,777.53
  5. Step 5: Solve for x
    x = 11,629,777.53/2,885.16
  6. Step 6: Final answer
    x = 4,030.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.