Home / 2,322.90-3,204.45-1,977.30

Finding the Fourth Proportional to 2,322.90, 3,204.45 and 1,977.30

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Solution

The fourth proportional to 2,322.90, 3,204.45 and 1,977.30 is: 2,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.90 : 3,204.45 = 1,977.30 : x
  2. Step 2: Convert to fraction form
    2,322.90/3,204.45 = 1,977.30/x
  3. Step 3: Cross multiply
    2,322.90x = 3,204.45 × 1,977.30
  4. Step 4: Simplify right side
    2,322.90x = 6,336,158.99
  5. Step 5: Solve for x
    x = 6,336,158.99/2,322.90
  6. Step 6: Final answer
    x = 2,727.69

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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.