Home / 3,369.86-4,650.38-1,877.70

Finding the Fourth Proportional to 3,369.86, 4,650.38 and 1,877.70

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Solution

The fourth proportional to 3,369.86, 4,650.38 and 1,877.70 is: 2,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.86 : 4,650.38 = 1,877.70 : x
  2. Step 2: Convert to fraction form
    3,369.86/4,650.38 = 1,877.70/x
  3. Step 3: Cross multiply
    3,369.86x = 4,650.38 × 1,877.70
  4. Step 4: Simplify right side
    3,369.86x = 8,732,018.53
  5. Step 5: Solve for x
    x = 8,732,018.53/3,369.86
  6. Step 6: Final answer
    x = 2,591.21

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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.