Home / 2,277.58-3,423.16-1,890.12

Finding the Fourth Proportional to 2,277.58, 3,423.16 and 1,890.12

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Solution

The fourth proportional to 2,277.58, 3,423.16 and 1,890.12 is: 2,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.58 : 3,423.16 = 1,890.12 : x
  2. Step 2: Convert to fraction form
    2,277.58/3,423.16 = 1,890.12/x
  3. Step 3: Cross multiply
    2,277.58x = 3,423.16 × 1,890.12
  4. Step 4: Simplify right side
    2,277.58x = 6,470,183.18
  5. Step 5: Solve for x
    x = 6,470,183.18/2,277.58
  6. Step 6: Final answer
    x = 2,840.81

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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.