Home / 3,565.39-4,919.99-2,073.20

Finding the Fourth Proportional to 3,565.39, 4,919.99 and 2,073.20

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Solution

The fourth proportional to 3,565.39, 4,919.99 and 2,073.20 is: 2,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.39 : 4,919.99 = 2,073.20 : x
  2. Step 2: Convert to fraction form
    3,565.39/4,919.99 = 2,073.20/x
  3. Step 3: Cross multiply
    3,565.39x = 4,919.99 × 2,073.20
  4. Step 4: Simplify right side
    3,565.39x = 10,200,106.75
  5. Step 5: Solve for x
    x = 10,200,106.75/3,565.39
  6. Step 6: Final answer
    x = 2,860.87

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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.