Home / 3,630.92-5,009.16-2,371.54

Finding the Fourth Proportional to 3,630.92, 5,009.16 and 2,371.54

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Solution

The fourth proportional to 3,630.92, 5,009.16 and 2,371.54 is: 3,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.92 : 5,009.16 = 2,371.54 : x
  2. Step 2: Convert to fraction form
    3,630.92/5,009.16 = 2,371.54/x
  3. Step 3: Cross multiply
    3,630.92x = 5,009.16 × 2,371.54
  4. Step 4: Simplify right side
    3,630.92x = 11,879,423.31
  5. Step 5: Solve for x
    x = 11,879,423.31/3,630.92
  6. Step 6: Final answer
    x = 3,271.74

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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.