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Finding the Fourth Proportional to 3,559.84, 5,338.68 and 1,367.32

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Solution

The fourth proportional to 3,559.84, 5,338.68 and 1,367.32 is: 2,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.84 : 5,338.68 = 1,367.32 : x
  2. Step 2: Convert to fraction form
    3,559.84/5,338.68 = 1,367.32/x
  3. Step 3: Cross multiply
    3,559.84x = 5,338.68 × 1,367.32
  4. Step 4: Simplify right side
    3,559.84x = 7,299,683.94
  5. Step 5: Solve for x
    x = 7,299,683.94/3,559.84
  6. Step 6: Final answer
    x = 2,050.57

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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.