Home / 3,369.30-4,649.69-1,877.32

Finding the Fourth Proportional to 3,369.30, 4,649.69 and 1,877.32

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Solution

The fourth proportional to 3,369.30, 4,649.69 and 1,877.32 is: 2,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.30 : 4,649.69 = 1,877.32 : x
  2. Step 2: Convert to fraction form
    3,369.30/4,649.69 = 1,877.32/x
  3. Step 3: Cross multiply
    3,369.30x = 4,649.69 × 1,877.32
  4. Step 4: Simplify right side
    3,369.30x = 8,728,956.03
  5. Step 5: Solve for x
    x = 8,728,956.03/3,369.30
  6. Step 6: Final answer
    x = 2,590.73

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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.