Home / 3,835.46-5,292.45-2,156.67

Finding the Fourth Proportional to 3,835.46, 5,292.45 and 2,156.67

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Solution

The fourth proportional to 3,835.46, 5,292.45 and 2,156.67 is: 2,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.46 : 5,292.45 = 2,156.67 : x
  2. Step 2: Convert to fraction form
    3,835.46/5,292.45 = 2,156.67/x
  3. Step 3: Cross multiply
    3,835.46x = 5,292.45 × 2,156.67
  4. Step 4: Simplify right side
    3,835.46x = 11,414,068.14
  5. Step 5: Solve for x
    x = 11,414,068.14/3,835.46
  6. Step 6: Final answer
    x = 2,975.94

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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.