Home / 3,501.81-5,252.85-1,310.31

Finding the Fourth Proportional to 3,501.81, 5,252.85 and 1,310.31

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Solution

The fourth proportional to 3,501.81, 5,252.85 and 1,310.31 is: 1,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.81 : 5,252.85 = 1,310.31 : x
  2. Step 2: Convert to fraction form
    3,501.81/5,252.85 = 1,310.31/x
  3. Step 3: Cross multiply
    3,501.81x = 5,252.85 × 1,310.31
  4. Step 4: Simplify right side
    3,501.81x = 6,882,861.88
  5. Step 5: Solve for x
    x = 6,882,861.88/3,501.81
  6. Step 6: Final answer
    x = 1,965.52

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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.