Home / 3,747.76-5,172.62-2,235.69

Finding the Fourth Proportional to 3,747.76, 5,172.62 and 2,235.69

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Solution

The fourth proportional to 3,747.76, 5,172.62 and 2,235.69 is: 3,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.76 : 5,172.62 = 2,235.69 : x
  2. Step 2: Convert to fraction form
    3,747.76/5,172.62 = 2,235.69/x
  3. Step 3: Cross multiply
    3,747.76x = 5,172.62 × 2,235.69
  4. Step 4: Simplify right side
    3,747.76x = 11,564,374.81
  5. Step 5: Solve for x
    x = 11,564,374.81/3,747.76
  6. Step 6: Final answer
    x = 3,085.68

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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.