Home / 3,427.67-4,730.19-1,855.77

Finding the Fourth Proportional to 3,427.67, 4,730.19 and 1,855.77

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Solution

The fourth proportional to 3,427.67, 4,730.19 and 1,855.77 is: 2,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.67 : 4,730.19 = 1,855.77 : x
  2. Step 2: Convert to fraction form
    3,427.67/4,730.19 = 1,855.77/x
  3. Step 3: Cross multiply
    3,427.67x = 4,730.19 × 1,855.77
  4. Step 4: Simplify right side
    3,427.67x = 8,778,144.70
  5. Step 5: Solve for x
    x = 8,778,144.70/3,427.67
  6. Step 6: Final answer
    x = 2,560.97

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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.