Home / 3,537.72-4,881.69-2,211.57

Finding the Fourth Proportional to 3,537.72, 4,881.69 and 2,211.57

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Solution

The fourth proportional to 3,537.72, 4,881.69 and 2,211.57 is: 3,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.72 : 4,881.69 = 2,211.57 : x
  2. Step 2: Convert to fraction form
    3,537.72/4,881.69 = 2,211.57/x
  3. Step 3: Cross multiply
    3,537.72x = 4,881.69 × 2,211.57
  4. Step 4: Simplify right side
    3,537.72x = 10,796,199.15
  5. Step 5: Solve for x
    x = 10,796,199.15/3,537.72
  6. Step 6: Final answer
    x = 3,051.74

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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.