Home / 3,108.40-4,664.02-1,353.94

Finding the Fourth Proportional to 3,108.40, 4,664.02 and 1,353.94

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Solution

The fourth proportional to 3,108.40, 4,664.02 and 1,353.94 is: 2,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.40 : 4,664.02 = 1,353.94 : x
  2. Step 2: Convert to fraction form
    3,108.40/4,664.02 = 1,353.94/x
  3. Step 3: Cross multiply
    3,108.40x = 4,664.02 × 1,353.94
  4. Step 4: Simplify right side
    3,108.40x = 6,314,803.24
  5. Step 5: Solve for x
    x = 6,314,803.24/3,108.40
  6. Step 6: Final answer
    x = 2,031.53

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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.