Home / 3,256.62-4,885.84-1,310.20

Finding the Fourth Proportional to 3,256.62, 4,885.84 and 1,310.20

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Solution

The fourth proportional to 3,256.62, 4,885.84 and 1,310.20 is: 1,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.62 : 4,885.84 = 1,310.20 : x
  2. Step 2: Convert to fraction form
    3,256.62/4,885.84 = 1,310.20/x
  3. Step 3: Cross multiply
    3,256.62x = 4,885.84 × 1,310.20
  4. Step 4: Simplify right side
    3,256.62x = 6,401,427.57
  5. Step 5: Solve for x
    x = 6,401,427.57/3,256.62
  6. Step 6: Final answer
    x = 1,965.67

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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.