Home / 2,351.16-3,527.28-890.34

Finding the Fourth Proportional to 2,351.16, 3,527.28 and 890.34

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Solution

The fourth proportional to 2,351.16, 3,527.28 and 890.34 is: 1,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.16 : 3,527.28 = 890.34 : x
  2. Step 2: Convert to fraction form
    2,351.16/3,527.28 = 890.34/x
  3. Step 3: Cross multiply
    2,351.16x = 3,527.28 × 890.34
  4. Step 4: Simplify right side
    2,351.16x = 3,140,478.48
  5. Step 5: Solve for x
    x = 3,140,478.48/2,351.16
  6. Step 6: Final answer
    x = 1,335.71

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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.