Home / 3,150.78-4,348.14-1,753.62

Finding the Fourth Proportional to 3,150.78, 4,348.14 and 1,753.62

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Solution

The fourth proportional to 3,150.78, 4,348.14 and 1,753.62 is: 2,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.78 : 4,348.14 = 1,753.62 : x
  2. Step 2: Convert to fraction form
    3,150.78/4,348.14 = 1,753.62/x
  3. Step 3: Cross multiply
    3,150.78x = 4,348.14 × 1,753.62
  4. Step 4: Simplify right side
    3,150.78x = 7,624,985.27
  5. Step 5: Solve for x
    x = 7,624,985.27/3,150.78
  6. Step 6: Final answer
    x = 2,420.03

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1.5x scale

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.