Home / 3,559.34-5,339.40-1,479.59

Finding the Fourth Proportional to 3,559.34, 5,339.40 and 1,479.59

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Solution

The fourth proportional to 3,559.34, 5,339.40 and 1,479.59 is: 2,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.34 : 5,339.40 = 1,479.59 : x
  2. Step 2: Convert to fraction form
    3,559.34/5,339.40 = 1,479.59/x
  3. Step 3: Cross multiply
    3,559.34x = 5,339.40 × 1,479.59
  4. Step 4: Simplify right side
    3,559.34x = 7,900,122.85
  5. Step 5: Solve for x
    x = 7,900,122.85/3,559.34
  6. Step 6: Final answer
    x = 2,219.55

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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.