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Finding the Fourth Proportional to 3,373, 4,655.22 and 3,225.40

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Solution

The fourth proportional to 3,373, 4,655.22 and 3,225.40 is: 4,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373 : 4,655.22 = 3,225.40 : x
  2. Step 2: Convert to fraction form
    3,373/4,655.22 = 3,225.40/x
  3. Step 3: Cross multiply
    3,373x = 4,655.22 × 3,225.40
  4. Step 4: Simplify right side
    3,373x = 15,014,946.59
  5. Step 5: Solve for x
    x = 15,014,946.59/3,373
  6. Step 6: Final answer
    x = 4,451.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.