Home / 3,638.35-5,020.95-2,045.01

Finding the Fourth Proportional to 3,638.35, 5,020.95 and 2,045.01

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Solution

The fourth proportional to 3,638.35, 5,020.95 and 2,045.01 is: 2,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.35 : 5,020.95 = 2,045.01 : x
  2. Step 2: Convert to fraction form
    3,638.35/5,020.95 = 2,045.01/x
  3. Step 3: Cross multiply
    3,638.35x = 5,020.95 × 2,045.01
  4. Step 4: Simplify right side
    3,638.35x = 10,267,892.96
  5. Step 5: Solve for x
    x = 10,267,892.96/3,638.35
  6. Step 6: Final answer
    x = 2,822.13

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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.