Home / 3,870.45-5,804.46-2,227.77

Finding the Fourth Proportional to 3,870.45, 5,804.46 and 2,227.77

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Solution

The fourth proportional to 3,870.45, 5,804.46 and 2,227.77 is: 3,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.45 : 5,804.46 = 2,227.77 : x
  2. Step 2: Convert to fraction form
    3,870.45/5,804.46 = 2,227.77/x
  3. Step 3: Cross multiply
    3,870.45x = 5,804.46 × 2,227.77
  4. Step 4: Simplify right side
    3,870.45x = 12,931,001.85
  5. Step 5: Solve for x
    x = 12,931,001.85/3,870.45
  6. Step 6: Final answer
    x = 3,340.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.