Home / 2,277.56-3,423.90-1,869.72

Finding the Fourth Proportional to 2,277.56, 3,423.90 and 1,869.72

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Solution

The fourth proportional to 2,277.56, 3,423.90 and 1,869.72 is: 2,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.56 : 3,423.90 = 1,869.72 : x
  2. Step 2: Convert to fraction form
    2,277.56/3,423.90 = 1,869.72/x
  3. Step 3: Cross multiply
    2,277.56x = 3,423.90 × 1,869.72
  4. Step 4: Simplify right side
    2,277.56x = 6,401,734.31
  5. Step 5: Solve for x
    x = 6,401,734.31/2,277.56
  6. Step 6: Final answer
    x = 2,810.79

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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.