Home / 3,436.57-4,742.43-1,944.47

Finding the Fourth Proportional to 3,436.57, 4,742.43 and 1,944.47

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Solution

The fourth proportional to 3,436.57, 4,742.43 and 1,944.47 is: 2,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.57 : 4,742.43 = 1,944.47 : x
  2. Step 2: Convert to fraction form
    3,436.57/4,742.43 = 1,944.47/x
  3. Step 3: Cross multiply
    3,436.57x = 4,742.43 × 1,944.47
  4. Step 4: Simplify right side
    3,436.57x = 9,221,512.86
  5. Step 5: Solve for x
    x = 9,221,512.86/3,436.57
  6. Step 6: Final answer
    x = 2,683.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.