Home / 3,028.64-4,179.54-1,702.40

Finding the Fourth Proportional to 3,028.64, 4,179.54 and 1,702.40

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Solution

The fourth proportional to 3,028.64, 4,179.54 and 1,702.40 is: 2,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.64 : 4,179.54 = 1,702.40 : x
  2. Step 2: Convert to fraction form
    3,028.64/4,179.54 = 1,702.40/x
  3. Step 3: Cross multiply
    3,028.64x = 4,179.54 × 1,702.40
  4. Step 4: Simplify right side
    3,028.64x = 7,115,248.90
  5. Step 5: Solve for x
    x = 7,115,248.90/3,028.64
  6. Step 6: Final answer
    x = 2,349.32

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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.