Home / 3,486.72-5,225.60-2,910.72

Finding the Fourth Proportional to 3,486.72, 5,225.60 and 2,910.72

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Solution

The fourth proportional to 3,486.72, 5,225.60 and 2,910.72 is: 4,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.72 : 5,225.60 = 2,910.72 : x
  2. Step 2: Convert to fraction form
    3,486.72/5,225.60 = 2,910.72/x
  3. Step 3: Cross multiply
    3,486.72x = 5,225.60 × 2,910.72
  4. Step 4: Simplify right side
    3,486.72x = 15,210,258.43
  5. Step 5: Solve for x
    x = 15,210,258.43/3,486.72
  6. Step 6: Final answer
    x = 4,362.34

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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.