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Finding the Fourth Proportional to 3,268.08, 4,902.04 and 802.90

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Solution

The fourth proportional to 3,268.08, 4,902.04 and 802.90 is: 1,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.08 : 4,902.04 = 802.90 : x
  2. Step 2: Convert to fraction form
    3,268.08/4,902.04 = 802.90/x
  3. Step 3: Cross multiply
    3,268.08x = 4,902.04 × 802.90
  4. Step 4: Simplify right side
    3,268.08x = 3,935,831.54
  5. Step 5: Solve for x
    x = 3,935,831.54/3,268.08
  6. Step 6: Final answer
    x = 1,204.33

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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.