Home / 3,632.48-5,012.15-2,439.20

Finding the Fourth Proportional to 3,632.48, 5,012.15 and 2,439.20

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Solution

The fourth proportional to 3,632.48, 5,012.15 and 2,439.20 is: 3,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.48 : 5,012.15 = 2,439.20 : x
  2. Step 2: Convert to fraction form
    3,632.48/5,012.15 = 2,439.20/x
  3. Step 3: Cross multiply
    3,632.48x = 5,012.15 × 2,439.20
  4. Step 4: Simplify right side
    3,632.48x = 12,225,636.28
  5. Step 5: Solve for x
    x = 12,225,636.28/3,632.48
  6. Step 6: Final answer
    x = 3,365.64

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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.