Home / 4,016.64-6,023.68-1,280

Finding the Fourth Proportional to 4,016.64, 6,023.68 and 1,280

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Solution

The fourth proportional to 4,016.64, 6,023.68 and 1,280 is: 1,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,016.64 : 6,023.68 = 1,280 : x
  2. Step 2: Convert to fraction form
    4,016.64/6,023.68 = 1,280/x
  3. Step 3: Cross multiply
    4,016.64x = 6,023.68 × 1,280
  4. Step 4: Simplify right side
    4,016.64x = 7,710,310.40
  5. Step 5: Solve for x
    x = 7,710,310.40/4,016.64
  6. Step 6: Final answer
    x = 1,919.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.