Home / 3,122.53-4,686.02-1,479.44

Finding the Fourth Proportional to 3,122.53, 4,686.02 and 1,479.44

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Solution

The fourth proportional to 3,122.53, 4,686.02 and 1,479.44 is: 2,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.53 : 4,686.02 = 1,479.44 : x
  2. Step 2: Convert to fraction form
    3,122.53/4,686.02 = 1,479.44/x
  3. Step 3: Cross multiply
    3,122.53x = 4,686.02 × 1,479.44
  4. Step 4: Simplify right side
    3,122.53x = 6,932,685.43
  5. Step 5: Solve for x
    x = 6,932,685.43/3,122.53
  6. Step 6: Final answer
    x = 2,220.21

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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.