Home / 3,465.20-5,190.60-1,924.40

Finding the Fourth Proportional to 3,465.20, 5,190.60 and 1,924.40

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Solution

The fourth proportional to 3,465.20, 5,190.60 and 1,924.40 is: 2,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.20 : 5,190.60 = 1,924.40 : x
  2. Step 2: Convert to fraction form
    3,465.20/5,190.60 = 1,924.40/x
  3. Step 3: Cross multiply
    3,465.20x = 5,190.60 × 1,924.40
  4. Step 4: Simplify right side
    3,465.20x = 9,988,790.64
  5. Step 5: Solve for x
    x = 9,988,790.64/3,465.20
  6. Step 6: Final answer
    x = 2,882.60

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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.