Home / 2,312.79-3,473.33-2,127.35

Finding the Fourth Proportional to 2,312.79, 3,473.33 and 2,127.35

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Solution

The fourth proportional to 2,312.79, 3,473.33 and 2,127.35 is: 3,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.79 : 3,473.33 = 2,127.35 : x
  2. Step 2: Convert to fraction form
    2,312.79/3,473.33 = 2,127.35/x
  3. Step 3: Cross multiply
    2,312.79x = 3,473.33 × 2,127.35
  4. Step 4: Simplify right side
    2,312.79x = 7,388,986.62
  5. Step 5: Solve for x
    x = 7,388,986.62/2,312.79
  6. Step 6: Final answer
    x = 3,194.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.