Home / 3,559.23-5,338.81-1,219.21

Finding the Fourth Proportional to 3,559.23, 5,338.81 and 1,219.21

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Solution

The fourth proportional to 3,559.23, 5,338.81 and 1,219.21 is: 1,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.23 : 5,338.81 = 1,219.21 : x
  2. Step 2: Convert to fraction form
    3,559.23/5,338.81 = 1,219.21/x
  3. Step 3: Cross multiply
    3,559.23x = 5,338.81 × 1,219.21
  4. Step 4: Simplify right side
    3,559.23x = 6,509,118.72
  5. Step 5: Solve for x
    x = 6,509,118.72/3,559.23
  6. Step 6: Final answer
    x = 1,828.80

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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.