Home / 3,064.22-4,228.61-1,869.20

Finding the Fourth Proportional to 3,064.22, 4,228.61 and 1,869.20

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Solution

The fourth proportional to 3,064.22, 4,228.61 and 1,869.20 is: 2,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.22 : 4,228.61 = 1,869.20 : x
  2. Step 2: Convert to fraction form
    3,064.22/4,228.61 = 1,869.20/x
  3. Step 3: Cross multiply
    3,064.22x = 4,228.61 × 1,869.20
  4. Step 4: Simplify right side
    3,064.22x = 7,904,103.18
  5. Step 5: Solve for x
    x = 7,904,103.18/3,064.22
  6. Step 6: Final answer
    x = 2,579.48

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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.