Home / 3,649.89-5,476.29-1,800.96

Finding the Fourth Proportional to 3,649.89, 5,476.29 and 1,800.96

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Solution

The fourth proportional to 3,649.89, 5,476.29 and 1,800.96 is: 2,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.89 : 5,476.29 = 1,800.96 : x
  2. Step 2: Convert to fraction form
    3,649.89/5,476.29 = 1,800.96/x
  3. Step 3: Cross multiply
    3,649.89x = 5,476.29 × 1,800.96
  4. Step 4: Simplify right side
    3,649.89x = 9,862,579.24
  5. Step 5: Solve for x
    x = 9,862,579.24/3,649.89
  6. Step 6: Final answer
    x = 2,702.16

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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.