Home / 3,273.35-4,909.95-1,325.57

Finding the Fourth Proportional to 3,273.35, 4,909.95 and 1,325.57

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Solution

The fourth proportional to 3,273.35, 4,909.95 and 1,325.57 is: 1,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.35 : 4,909.95 = 1,325.57 : x
  2. Step 2: Convert to fraction form
    3,273.35/4,909.95 = 1,325.57/x
  3. Step 3: Cross multiply
    3,273.35x = 4,909.95 × 1,325.57
  4. Step 4: Simplify right side
    3,273.35x = 6,508,457.87
  5. Step 5: Solve for x
    x = 6,508,457.87/3,273.35
  6. Step 6: Final answer
    x = 1,988.32

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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.