Home / 3,137.79-4,330.13-1,740.54

Finding the Fourth Proportional to 3,137.79, 4,330.13 and 1,740.54

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Solution

The fourth proportional to 3,137.79, 4,330.13 and 1,740.54 is: 2,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.79 : 4,330.13 = 1,740.54 : x
  2. Step 2: Convert to fraction form
    3,137.79/4,330.13 = 1,740.54/x
  3. Step 3: Cross multiply
    3,137.79x = 4,330.13 × 1,740.54
  4. Step 4: Simplify right side
    3,137.79x = 7,536,764.47
  5. Step 5: Solve for x
    x = 7,536,764.47/3,137.79
  6. Step 6: Final answer
    x = 2,401.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.