Home / 3,229.71-4,457.00-1,886.25

Finding the Fourth Proportional to 3,229.71, 4,457.00 and 1,886.25

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Solution

The fourth proportional to 3,229.71, 4,457.00 and 1,886.25 is: 2,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.71 : 4,457.00 = 1,886.25 : x
  2. Step 2: Convert to fraction form
    3,229.71/4,457.00 = 1,886.25/x
  3. Step 3: Cross multiply
    3,229.71x = 4,457.00 × 1,886.25
  4. Step 4: Simplify right side
    3,229.71x = 8,407,013.57
  5. Step 5: Solve for x
    x = 8,407,013.57/3,229.71
  6. Step 6: Final answer
    x = 2,603.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.