Home / 3,657.42-5,479.83-2,559.78

Finding the Fourth Proportional to 3,657.42, 5,479.83 and 2,559.78

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Solution

The fourth proportional to 3,657.42, 5,479.83 and 2,559.78 is: 3,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.42 : 5,479.83 = 2,559.78 : x
  2. Step 2: Convert to fraction form
    3,657.42/5,479.83 = 2,559.78/x
  3. Step 3: Cross multiply
    3,657.42x = 5,479.83 × 2,559.78
  4. Step 4: Simplify right side
    3,657.42x = 14,027,159.24
  5. Step 5: Solve for x
    x = 14,027,159.24/3,657.42
  6. Step 6: Final answer
    x = 3,835.26

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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.