Home / 3,455.29-5,207.27-3,126.67

Finding the Fourth Proportional to 3,455.29, 5,207.27 and 3,126.67

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Solution

The fourth proportional to 3,455.29, 5,207.27 and 3,126.67 is: 4,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.29 : 5,207.27 = 3,126.67 : x
  2. Step 2: Convert to fraction form
    3,455.29/5,207.27 = 3,126.67/x
  3. Step 3: Cross multiply
    3,455.29x = 5,207.27 × 3,126.67
  4. Step 4: Simplify right side
    3,455.29x = 16,281,399.26
  5. Step 5: Solve for x
    x = 16,281,399.26/3,455.29
  6. Step 6: Final answer
    x = 4,712.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.