Home / 3,815.48-5,722.80-2,590.76

Finding the Fourth Proportional to 3,815.48, 5,722.80 and 2,590.76

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Solution

The fourth proportional to 3,815.48, 5,722.80 and 2,590.76 is: 3,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.48 : 5,722.80 = 2,590.76 : x
  2. Step 2: Convert to fraction form
    3,815.48/5,722.80 = 2,590.76/x
  3. Step 3: Cross multiply
    3,815.48x = 5,722.80 × 2,590.76
  4. Step 4: Simplify right side
    3,815.48x = 14,826,401.33
  5. Step 5: Solve for x
    x = 14,826,401.33/3,815.48
  6. Step 6: Final answer
    x = 3,885.85

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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.