Home / 3,559.71-5,340.33-1,219.56

Finding the Fourth Proportional to 3,559.71, 5,340.33 and 1,219.56

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Solution

The fourth proportional to 3,559.71, 5,340.33 and 1,219.56 is: 1,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.71 : 5,340.33 = 1,219.56 : x
  2. Step 2: Convert to fraction form
    3,559.71/5,340.33 = 1,219.56/x
  3. Step 3: Cross multiply
    3,559.71x = 5,340.33 × 1,219.56
  4. Step 4: Simplify right side
    3,559.71x = 6,512,852.85
  5. Step 5: Solve for x
    x = 6,512,852.85/3,559.71
  6. Step 6: Final answer
    x = 1,829.60

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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.