Home / 3,468.60-5,199.03-1,620.18

Finding the Fourth Proportional to 3,468.60, 5,199.03 and 1,620.18

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Solution

The fourth proportional to 3,468.60, 5,199.03 and 1,620.18 is: 2,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.60 : 5,199.03 = 1,620.18 : x
  2. Step 2: Convert to fraction form
    3,468.60/5,199.03 = 1,620.18/x
  3. Step 3: Cross multiply
    3,468.60x = 5,199.03 × 1,620.18
  4. Step 4: Simplify right side
    3,468.60x = 8,423,364.43
  5. Step 5: Solve for x
    x = 8,423,364.43/3,468.60
  6. Step 6: Final answer
    x = 2,428.46

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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.