Home / 3,325.07-4,588.67-1,909.20

Finding the Fourth Proportional to 3,325.07, 4,588.67 and 1,909.20

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Solution

The fourth proportional to 3,325.07, 4,588.67 and 1,909.20 is: 2,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.07 : 4,588.67 = 1,909.20 : x
  2. Step 2: Convert to fraction form
    3,325.07/4,588.67 = 1,909.20/x
  3. Step 3: Cross multiply
    3,325.07x = 4,588.67 × 1,909.20
  4. Step 4: Simplify right side
    3,325.07x = 8,760,656.27
  5. Step 5: Solve for x
    x = 8,760,656.27/3,325.07
  6. Step 6: Final answer
    x = 2,634.73

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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.