Home / 3,125.35-4,311-2,377.67

Finding the Fourth Proportional to 3,125.35, 4,311 and 2,377.67

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Solution

The fourth proportional to 3,125.35, 4,311 and 2,377.67 is: 3,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.35 : 4,311 = 2,377.67 : x
  2. Step 2: Convert to fraction form
    3,125.35/4,311 = 2,377.67/x
  3. Step 3: Cross multiply
    3,125.35x = 4,311 × 2,377.67
  4. Step 4: Simplify right side
    3,125.35x = 10,250,135.37
  5. Step 5: Solve for x
    x = 10,250,135.37/3,125.35
  6. Step 6: Final answer
    x = 3,279.68

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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.