Home / 2,553.23-3,827.13-1,455.23

Finding the Fourth Proportional to 2,553.23, 3,827.13 and 1,455.23

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Solution

The fourth proportional to 2,553.23, 3,827.13 and 1,455.23 is: 2,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.23 : 3,827.13 = 1,455.23 : x
  2. Step 2: Convert to fraction form
    2,553.23/3,827.13 = 1,455.23/x
  3. Step 3: Cross multiply
    2,553.23x = 3,827.13 × 1,455.23
  4. Step 4: Simplify right side
    2,553.23x = 5,569,335.25
  5. Step 5: Solve for x
    x = 5,569,335.25/2,553.23
  6. Step 6: Final answer
    x = 2,181.29

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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.