Home / 4,157.34-6,229.89-1,689.18

Finding the Fourth Proportional to 4,157.34, 6,229.89 and 1,689.18

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Solution

The fourth proportional to 4,157.34, 6,229.89 and 1,689.18 is: 2,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.34 : 6,229.89 = 1,689.18 : x
  2. Step 2: Convert to fraction form
    4,157.34/6,229.89 = 1,689.18/x
  3. Step 3: Cross multiply
    4,157.34x = 6,229.89 × 1,689.18
  4. Step 4: Simplify right side
    4,157.34x = 10,523,405.59
  5. Step 5: Solve for x
    x = 10,523,405.59/4,157.34
  6. Step 6: Final answer
    x = 2,531.28

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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.