Home / 3,588.05-5,382.75-1,640.25

Finding the Fourth Proportional to 3,588.05, 5,382.75 and 1,640.25

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Solution

The fourth proportional to 3,588.05, 5,382.75 and 1,640.25 is: 2,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.05 : 5,382.75 = 1,640.25 : x
  2. Step 2: Convert to fraction form
    3,588.05/5,382.75 = 1,640.25/x
  3. Step 3: Cross multiply
    3,588.05x = 5,382.75 × 1,640.25
  4. Step 4: Simplify right side
    3,588.05x = 8,829,061.84
  5. Step 5: Solve for x
    x = 8,829,061.84/3,588.05
  6. Step 6: Final answer
    x = 2,460.69

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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.