Home / 3,518.20-4,855.14-1,924.88

Finding the Fourth Proportional to 3,518.20, 4,855.14 and 1,924.88

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Solution

The fourth proportional to 3,518.20, 4,855.14 and 1,924.88 is: 2,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.20 : 4,855.14 = 1,924.88 : x
  2. Step 2: Convert to fraction form
    3,518.20/4,855.14 = 1,924.88/x
  3. Step 3: Cross multiply
    3,518.20x = 4,855.14 × 1,924.88
  4. Step 4: Simplify right side
    3,518.20x = 9,345,561.88
  5. Step 5: Solve for x
    x = 9,345,561.88/3,518.20
  6. Step 6: Final answer
    x = 2,656.35

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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.