Home / 2,817.04-3,883.88-2,311.04

Finding the Fourth Proportional to 2,817.04, 3,883.88 and 2,311.04

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Solution

The fourth proportional to 2,817.04, 3,883.88 and 2,311.04 is: 3,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.04 : 3,883.88 = 2,311.04 : x
  2. Step 2: Convert to fraction form
    2,817.04/3,883.88 = 2,311.04/x
  3. Step 3: Cross multiply
    2,817.04x = 3,883.88 × 2,311.04
  4. Step 4: Simplify right side
    2,817.04x = 8,975,802.04
  5. Step 5: Solve for x
    x = 8,975,802.04/2,817.04
  6. Step 6: Final answer
    x = 3,186.25

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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.