Home / 3,753.64-5,177.34-2,867.91

Finding the Fourth Proportional to 3,753.64, 5,177.34 and 2,867.91

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Solution

The fourth proportional to 3,753.64, 5,177.34 and 2,867.91 is: 3,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.64 : 5,177.34 = 2,867.91 : x
  2. Step 2: Convert to fraction form
    3,753.64/5,177.34 = 2,867.91/x
  3. Step 3: Cross multiply
    3,753.64x = 5,177.34 × 2,867.91
  4. Step 4: Simplify right side
    3,753.64x = 14,848,145.16
  5. Step 5: Solve for x
    x = 14,848,145.16/3,753.64
  6. Step 6: Final answer
    x = 3,955.67

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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.