Home / 3,009.26-4,513.88-928.69

Finding the Fourth Proportional to 3,009.26, 4,513.88 and 928.69

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Solution

The fourth proportional to 3,009.26, 4,513.88 and 928.69 is: 1,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.26 : 4,513.88 = 928.69 : x
  2. Step 2: Convert to fraction form
    3,009.26/4,513.88 = 928.69/x
  3. Step 3: Cross multiply
    3,009.26x = 4,513.88 × 928.69
  4. Step 4: Simplify right side
    3,009.26x = 4,191,986.25
  5. Step 5: Solve for x
    x = 4,191,986.25/3,009.26
  6. Step 6: Final answer
    x = 1,393.03

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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.