Home / 3,028.32-4,178.79-1,702.49

Finding the Fourth Proportional to 3,028.32, 4,178.79 and 1,702.49

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Solution

The fourth proportional to 3,028.32, 4,178.79 and 1,702.49 is: 2,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.32 : 4,178.79 = 1,702.49 : x
  2. Step 2: Convert to fraction form
    3,028.32/4,178.79 = 1,702.49/x
  3. Step 3: Cross multiply
    3,028.32x = 4,178.79 × 1,702.49
  4. Step 4: Simplify right side
    3,028.32x = 7,114,327.29
  5. Step 5: Solve for x
    x = 7,114,327.29/3,028.32
  6. Step 6: Final answer
    x = 2,349.27

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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.