Home / 3,638.93-5,021.28-2,045.66

Finding the Fourth Proportional to 3,638.93, 5,021.28 and 2,045.66

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Solution

The fourth proportional to 3,638.93, 5,021.28 and 2,045.66 is: 2,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.93 : 5,021.28 = 2,045.66 : x
  2. Step 2: Convert to fraction form
    3,638.93/5,021.28 = 2,045.66/x
  3. Step 3: Cross multiply
    3,638.93x = 5,021.28 × 2,045.66
  4. Step 4: Simplify right side
    3,638.93x = 10,271,806.54
  5. Step 5: Solve for x
    x = 10,271,806.54/3,638.93
  6. Step 6: Final answer
    x = 2,822.76

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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.