Home / 3,157.02-4,734.99-1,425.24

Finding the Fourth Proportional to 3,157.02, 4,734.99 and 1,425.24

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Solution

The fourth proportional to 3,157.02, 4,734.99 and 1,425.24 is: 2,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.02 : 4,734.99 = 1,425.24 : x
  2. Step 2: Convert to fraction form
    3,157.02/4,734.99 = 1,425.24/x
  3. Step 3: Cross multiply
    3,157.02x = 4,734.99 × 1,425.24
  4. Step 4: Simplify right side
    3,157.02x = 6,748,497.15
  5. Step 5: Solve for x
    x = 6,748,497.15/3,157.02
  6. Step 6: Final answer
    x = 2,137.62

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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.