Home / 3,005.60-4,146.66-1,826.87

Finding the Fourth Proportional to 3,005.60, 4,146.66 and 1,826.87

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Solution

The fourth proportional to 3,005.60, 4,146.66 and 1,826.87 is: 2,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.60 : 4,146.66 = 1,826.87 : x
  2. Step 2: Convert to fraction form
    3,005.60/4,146.66 = 1,826.87/x
  3. Step 3: Cross multiply
    3,005.60x = 4,146.66 × 1,826.87
  4. Step 4: Simplify right side
    3,005.60x = 7,575,388.02
  5. Step 5: Solve for x
    x = 7,575,388.02/3,005.60
  6. Step 6: Final answer
    x = 2,520.43

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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.