Home / 4,200.81-5,797.16-2,312.43

Finding the Fourth Proportional to 4,200.81, 5,797.16 and 2,312.43

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Solution

The fourth proportional to 4,200.81, 5,797.16 and 2,312.43 is: 3,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.81 : 5,797.16 = 2,312.43 : x
  2. Step 2: Convert to fraction form
    4,200.81/5,797.16 = 2,312.43/x
  3. Step 3: Cross multiply
    4,200.81x = 5,797.16 × 2,312.43
  4. Step 4: Simplify right side
    4,200.81x = 13,405,526.70
  5. Step 5: Solve for x
    x = 13,405,526.70/4,200.81
  6. Step 6: Final answer
    x = 3,191.18

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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.