Home / 3,427.77-4,730.32-1,855.86

Finding the Fourth Proportional to 3,427.77, 4,730.32 and 1,855.86

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Solution

The fourth proportional to 3,427.77, 4,730.32 and 1,855.86 is: 2,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.77 : 4,730.32 = 1,855.86 : x
  2. Step 2: Convert to fraction form
    3,427.77/4,730.32 = 1,855.86/x
  3. Step 3: Cross multiply
    3,427.77x = 4,730.32 × 1,855.86
  4. Step 4: Simplify right side
    3,427.77x = 8,778,811.68
  5. Step 5: Solve for x
    x = 8,778,811.68/3,427.77
  6. Step 6: Final answer
    x = 2,561.09

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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.