Home / 4,157.31-6,230.58-1,689.26

Finding the Fourth Proportional to 4,157.31, 6,230.58 and 1,689.26

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Solution

The fourth proportional to 4,157.31, 6,230.58 and 1,689.26 is: 2,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.31 : 6,230.58 = 1,689.26 : x
  2. Step 2: Convert to fraction form
    4,157.31/6,230.58 = 1,689.26/x
  3. Step 3: Cross multiply
    4,157.31x = 6,230.58 × 1,689.26
  4. Step 4: Simplify right side
    4,157.31x = 10,525,067.13
  5. Step 5: Solve for x
    x = 10,525,067.13/4,157.31
  6. Step 6: Final answer
    x = 2,531.70

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1.5x scale

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.