Home / 3,416.02-5,130.51-2,126.50

Finding the Fourth Proportional to 3,416.02, 5,130.51 and 2,126.50

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Solution

The fourth proportional to 3,416.02, 5,130.51 and 2,126.50 is: 3,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.02 : 5,130.51 = 2,126.50 : x
  2. Step 2: Convert to fraction form
    3,416.02/5,130.51 = 2,126.50/x
  3. Step 3: Cross multiply
    3,416.02x = 5,130.51 × 2,126.50
  4. Step 4: Simplify right side
    3,416.02x = 10,910,029.52
  5. Step 5: Solve for x
    x = 10,910,029.52/3,416.02
  6. Step 6: Final answer
    x = 3,193.78

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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.