Home / 3,220.66-4,830.45-1,465.12

Finding the Fourth Proportional to 3,220.66, 4,830.45 and 1,465.12

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Solution

The fourth proportional to 3,220.66, 4,830.45 and 1,465.12 is: 2,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.66 : 4,830.45 = 1,465.12 : x
  2. Step 2: Convert to fraction form
    3,220.66/4,830.45 = 1,465.12/x
  3. Step 3: Cross multiply
    3,220.66x = 4,830.45 × 1,465.12
  4. Step 4: Simplify right side
    3,220.66x = 7,077,188.90
  5. Step 5: Solve for x
    x = 7,077,188.90/3,220.66
  6. Step 6: Final answer
    x = 2,197.43

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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.