Home / 3,725.08-5,588.43-1,128.22

Finding the Fourth Proportional to 3,725.08, 5,588.43 and 1,128.22

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Solution

The fourth proportional to 3,725.08, 5,588.43 and 1,128.22 is: 1,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.08 : 5,588.43 = 1,128.22 : x
  2. Step 2: Convert to fraction form
    3,725.08/5,588.43 = 1,128.22/x
  3. Step 3: Cross multiply
    3,725.08x = 5,588.43 × 1,128.22
  4. Step 4: Simplify right side
    3,725.08x = 6,304,960.29
  5. Step 5: Solve for x
    x = 6,304,960.29/3,725.08
  6. Step 6: Final answer
    x = 1,692.57

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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.