Home / 3,425.29-5,137.93-1,234.20

Finding the Fourth Proportional to 3,425.29, 5,137.93 and 1,234.20

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Solution

The fourth proportional to 3,425.29, 5,137.93 and 1,234.20 is: 1,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.29 : 5,137.93 = 1,234.20 : x
  2. Step 2: Convert to fraction form
    3,425.29/5,137.93 = 1,234.20/x
  3. Step 3: Cross multiply
    3,425.29x = 5,137.93 × 1,234.20
  4. Step 4: Simplify right side
    3,425.29x = 6,341,254.02
  5. Step 5: Solve for x
    x = 6,341,254.02/3,425.29
  6. Step 6: Final answer
    x = 1,851.31

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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.