Home / 2,885.14-3,976.84-2,506.06

Finding the Fourth Proportional to 2,885.14, 3,976.84 and 2,506.06

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Solution

The fourth proportional to 2,885.14, 3,976.84 and 2,506.06 is: 3,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.14 : 3,976.84 = 2,506.06 : x
  2. Step 2: Convert to fraction form
    2,885.14/3,976.84 = 2,506.06/x
  3. Step 3: Cross multiply
    2,885.14x = 3,976.84 × 2,506.06
  4. Step 4: Simplify right side
    2,885.14x = 9,966,199.65
  5. Step 5: Solve for x
    x = 9,966,199.65/2,885.14
  6. Step 6: Final answer
    x = 3,454.32

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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.