Home / 3,135.64-4,703.52-914.63

Finding the Fourth Proportional to 3,135.64, 4,703.52 and 914.63

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Solution

The fourth proportional to 3,135.64, 4,703.52 and 914.63 is: 1,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.64 : 4,703.52 = 914.63 : x
  2. Step 2: Convert to fraction form
    3,135.64/4,703.52 = 914.63/x
  3. Step 3: Cross multiply
    3,135.64x = 4,703.52 × 914.63
  4. Step 4: Simplify right side
    3,135.64x = 4,301,992.26
  5. Step 5: Solve for x
    x = 4,301,992.26/3,135.64
  6. Step 6: Final answer
    x = 1,371.97

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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.