Home / 3,366.50-5,048.54-1,418.86

Finding the Fourth Proportional to 3,366.50, 5,048.54 and 1,418.86

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Solution

The fourth proportional to 3,366.50, 5,048.54 and 1,418.86 is: 2,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.50 : 5,048.54 = 1,418.86 : x
  2. Step 2: Convert to fraction form
    3,366.50/5,048.54 = 1,418.86/x
  3. Step 3: Cross multiply
    3,366.50x = 5,048.54 × 1,418.86
  4. Step 4: Simplify right side
    3,366.50x = 7,163,151.75
  5. Step 5: Solve for x
    x = 7,163,151.75/3,366.50
  6. Step 6: Final answer
    x = 2,127.77

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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.