Home / 2,909.46-4,362.64-1,519.43

Finding the Fourth Proportional to 2,909.46, 4,362.64 and 1,519.43

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Solution

The fourth proportional to 2,909.46, 4,362.64 and 1,519.43 is: 2,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.46 : 4,362.64 = 1,519.43 : x
  2. Step 2: Convert to fraction form
    2,909.46/4,362.64 = 1,519.43/x
  3. Step 3: Cross multiply
    2,909.46x = 4,362.64 × 1,519.43
  4. Step 4: Simplify right side
    2,909.46x = 6,628,733.20
  5. Step 5: Solve for x
    x = 6,628,733.20/2,909.46
  6. Step 6: Final answer
    x = 2,278.34

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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.