Home / 3,137.72-4,330.05-1,740.47

Finding the Fourth Proportional to 3,137.72, 4,330.05 and 1,740.47

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Solution

The fourth proportional to 3,137.72, 4,330.05 and 1,740.47 is: 2,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.72 : 4,330.05 = 1,740.47 : x
  2. Step 2: Convert to fraction form
    3,137.72/4,330.05 = 1,740.47/x
  3. Step 3: Cross multiply
    3,137.72x = 4,330.05 × 1,740.47
  4. Step 4: Simplify right side
    3,137.72x = 7,536,300.47
  5. Step 5: Solve for x
    x = 7,536,300.47/3,137.72
  6. Step 6: Final answer
    x = 2,401.84

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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.