Home / 2,802.45-4,202.30-1,632.86

Finding the Fourth Proportional to 2,802.45, 4,202.30 and 1,632.86

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Solution

The fourth proportional to 2,802.45, 4,202.30 and 1,632.86 is: 2,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.45 : 4,202.30 = 1,632.86 : x
  2. Step 2: Convert to fraction form
    2,802.45/4,202.30 = 1,632.86/x
  3. Step 3: Cross multiply
    2,802.45x = 4,202.30 × 1,632.86
  4. Step 4: Simplify right side
    2,802.45x = 6,861,738.40
  5. Step 5: Solve for x
    x = 6,861,738.40/2,802.45
  6. Step 6: Final answer
    x = 2,448.48

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1.5x scale

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.