Home / 3,470.16-5,202.36-1,620.32

Finding the Fourth Proportional to 3,470.16, 5,202.36 and 1,620.32

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Solution

The fourth proportional to 3,470.16, 5,202.36 and 1,620.32 is: 2,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.16 : 5,202.36 = 1,620.32 : x
  2. Step 2: Convert to fraction form
    3,470.16/5,202.36 = 1,620.32/x
  3. Step 3: Cross multiply
    3,470.16x = 5,202.36 × 1,620.32
  4. Step 4: Simplify right side
    3,470.16x = 8,429,487.96
  5. Step 5: Solve for x
    x = 8,429,487.96/3,470.16
  6. Step 6: Final answer
    x = 2,429.14

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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.