Home / 3,427.69-4,730.22-1,855.79

Finding the Fourth Proportional to 3,427.69, 4,730.22 and 1,855.79

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Solution

The fourth proportional to 3,427.69, 4,730.22 and 1,855.79 is: 2,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.69 : 4,730.22 = 1,855.79 : x
  2. Step 2: Convert to fraction form
    3,427.69/4,730.22 = 1,855.79/x
  3. Step 3: Cross multiply
    3,427.69x = 4,730.22 × 1,855.79
  4. Step 4: Simplify right side
    3,427.69x = 8,778,294.97
  5. Step 5: Solve for x
    x = 8,778,294.97/3,427.69
  6. Step 6: Final answer
    x = 2,560.99

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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.