Home / 3,369.95-4,650.38-1,877.84

Finding the Fourth Proportional to 3,369.95, 4,650.38 and 1,877.84

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Solution

The fourth proportional to 3,369.95, 4,650.38 and 1,877.84 is: 2,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.95 : 4,650.38 = 1,877.84 : x
  2. Step 2: Convert to fraction form
    3,369.95/4,650.38 = 1,877.84/x
  3. Step 3: Cross multiply
    3,369.95x = 4,650.38 × 1,877.84
  4. Step 4: Simplify right side
    3,369.95x = 8,732,646.33
  5. Step 5: Solve for x
    x = 8,732,646.33/3,369.95
  6. Step 6: Final answer
    x = 2,591.33

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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.