Home / 3,031.02-4,539.24-2,105.46

Finding the Fourth Proportional to 3,031.02, 4,539.24 and 2,105.46

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Solution

The fourth proportional to 3,031.02, 4,539.24 and 2,105.46 is: 3,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.02 : 4,539.24 = 2,105.46 : x
  2. Step 2: Convert to fraction form
    3,031.02/4,539.24 = 2,105.46/x
  3. Step 3: Cross multiply
    3,031.02x = 4,539.24 × 2,105.46
  4. Step 4: Simplify right side
    3,031.02x = 9,557,188.25
  5. Step 5: Solve for x
    x = 9,557,188.25/3,031.02
  6. Step 6: Final answer
    x = 3,153.13

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1.5x scale

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.