Home / 3,504.88-5,257.32-1,313.11

Finding the Fourth Proportional to 3,504.88, 5,257.32 and 1,313.11

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Solution

The fourth proportional to 3,504.88, 5,257.32 and 1,313.11 is: 1,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.88 : 5,257.32 = 1,313.11 : x
  2. Step 2: Convert to fraction form
    3,504.88/5,257.32 = 1,313.11/x
  3. Step 3: Cross multiply
    3,504.88x = 5,257.32 × 1,313.11
  4. Step 4: Simplify right side
    3,504.88x = 6,903,439.47
  5. Step 5: Solve for x
    x = 6,903,439.47/3,504.88
  6. Step 6: Final answer
    x = 1,969.67

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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.