Home / 3,588.32-5,382.48-1,638.25

Finding the Fourth Proportional to 3,588.32, 5,382.48 and 1,638.25

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Solution

The fourth proportional to 3,588.32, 5,382.48 and 1,638.25 is: 2,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.32 : 5,382.48 = 1,638.25 : x
  2. Step 2: Convert to fraction form
    3,588.32/5,382.48 = 1,638.25/x
  3. Step 3: Cross multiply
    3,588.32x = 5,382.48 × 1,638.25
  4. Step 4: Simplify right side
    3,588.32x = 8,817,847.86
  5. Step 5: Solve for x
    x = 8,817,847.86/3,588.32
  6. Step 6: Final answer
    x = 2,457.38

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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.