Home / 3,638.16-5,020.74-2,146.44

Finding the Fourth Proportional to 3,638.16, 5,020.74 and 2,146.44

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Solution

The fourth proportional to 3,638.16, 5,020.74 and 2,146.44 is: 2,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.16 : 5,020.74 = 2,146.44 : x
  2. Step 2: Convert to fraction form
    3,638.16/5,020.74 = 2,146.44/x
  3. Step 3: Cross multiply
    3,638.16x = 5,020.74 × 2,146.44
  4. Step 4: Simplify right side
    3,638.16x = 10,776,717.17
  5. Step 5: Solve for x
    x = 10,776,717.17/3,638.16
  6. Step 6: Final answer
    x = 2,962.13

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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.