Home / 3,742.54-5,612.22-1,276.26

Finding the Fourth Proportional to 3,742.54, 5,612.22 and 1,276.26

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Solution

The fourth proportional to 3,742.54, 5,612.22 and 1,276.26 is: 1,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.54 : 5,612.22 = 1,276.26 : x
  2. Step 2: Convert to fraction form
    3,742.54/5,612.22 = 1,276.26/x
  3. Step 3: Cross multiply
    3,742.54x = 5,612.22 × 1,276.26
  4. Step 4: Simplify right side
    3,742.54x = 7,162,630.85
  5. Step 5: Solve for x
    x = 7,162,630.85/3,742.54
  6. Step 6: Final answer
    x = 1,913.84

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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.