Home / 3,369.41-4,649.78-1,877.31

Finding the Fourth Proportional to 3,369.41, 4,649.78 and 1,877.31

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Solution

The fourth proportional to 3,369.41, 4,649.78 and 1,877.31 is: 2,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.41 : 4,649.78 = 1,877.31 : x
  2. Step 2: Convert to fraction form
    3,369.41/4,649.78 = 1,877.31/x
  3. Step 3: Cross multiply
    3,369.41x = 4,649.78 × 1,877.31
  4. Step 4: Simplify right side
    3,369.41x = 8,729,078.49
  5. Step 5: Solve for x
    x = 8,729,078.49/3,369.41
  6. Step 6: Final answer
    x = 2,590.68

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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.