Home / 3,200.04-4,416.09-1,802.79

Finding the Fourth Proportional to 3,200.04, 4,416.09 and 1,802.79

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Solution

The fourth proportional to 3,200.04, 4,416.09 and 1,802.79 is: 2,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.04 : 4,416.09 = 1,802.79 : x
  2. Step 2: Convert to fraction form
    3,200.04/4,416.09 = 1,802.79/x
  3. Step 3: Cross multiply
    3,200.04x = 4,416.09 × 1,802.79
  4. Step 4: Simplify right side
    3,200.04x = 7,961,276.13
  5. Step 5: Solve for x
    x = 7,961,276.13/3,200.04
  6. Step 6: Final answer
    x = 2,487.87

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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.