Home / 3,588.90-5,395.65-3,318.25

Finding the Fourth Proportional to 3,588.90, 5,395.65 and 3,318.25

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Solution

The fourth proportional to 3,588.90, 5,395.65 and 3,318.25 is: 4,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.90 : 5,395.65 = 3,318.25 : x
  2. Step 2: Convert to fraction form
    3,588.90/5,395.65 = 3,318.25/x
  3. Step 3: Cross multiply
    3,588.90x = 5,395.65 × 3,318.25
  4. Step 4: Simplify right side
    3,588.90x = 17,904,115.61
  5. Step 5: Solve for x
    x = 17,904,115.61/3,588.90
  6. Step 6: Final answer
    x = 4,988.75

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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.