Home / 3,557.43-5,334.78-1,709.42

Finding the Fourth Proportional to 3,557.43, 5,334.78 and 1,709.42

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Solution

The fourth proportional to 3,557.43, 5,334.78 and 1,709.42 is: 2,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.43 : 5,334.78 = 1,709.42 : x
  2. Step 2: Convert to fraction form
    3,557.43/5,334.78 = 1,709.42/x
  3. Step 3: Cross multiply
    3,557.43x = 5,334.78 × 1,709.42
  4. Step 4: Simplify right side
    3,557.43x = 9,119,352.95
  5. Step 5: Solve for x
    x = 9,119,352.95/3,557.43
  6. Step 6: Final answer
    x = 2,563.47

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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.