Home / 2,390.24-3,585.60-851.36

Finding the Fourth Proportional to 2,390.24, 3,585.60 and 851.36

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Solution

The fourth proportional to 2,390.24, 3,585.60 and 851.36 is: 1,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.24 : 3,585.60 = 851.36 : x
  2. Step 2: Convert to fraction form
    2,390.24/3,585.60 = 851.36/x
  3. Step 3: Cross multiply
    2,390.24x = 3,585.60 × 851.36
  4. Step 4: Simplify right side
    2,390.24x = 3,052,636.42
  5. Step 5: Solve for x
    x = 3,052,636.42/2,390.24
  6. Step 6: Final answer
    x = 1,277.13

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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.