Home / 2,074.52-3,116.64-1,209.44

Finding the Fourth Proportional to 2,074.52, 3,116.64 and 1,209.44

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Solution

The fourth proportional to 2,074.52, 3,116.64 and 1,209.44 is: 1,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.52 : 3,116.64 = 1,209.44 : x
  2. Step 2: Convert to fraction form
    2,074.52/3,116.64 = 1,209.44/x
  3. Step 3: Cross multiply
    2,074.52x = 3,116.64 × 1,209.44
  4. Step 4: Simplify right side
    2,074.52x = 3,769,389.08
  5. Step 5: Solve for x
    x = 3,769,389.08/2,074.52
  6. Step 6: Final answer
    x = 1,816.99

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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.