Home / 2,655.46-3,664.57-1,661.34

Finding the Fourth Proportional to 2,655.46, 3,664.57 and 1,661.34

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Solution

The fourth proportional to 2,655.46, 3,664.57 and 1,661.34 is: 2,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.46 : 3,664.57 = 1,661.34 : x
  2. Step 2: Convert to fraction form
    2,655.46/3,664.57 = 1,661.34/x
  3. Step 3: Cross multiply
    2,655.46x = 3,664.57 × 1,661.34
  4. Step 4: Simplify right side
    2,655.46x = 6,088,096.72
  5. Step 5: Solve for x
    x = 6,088,096.72/2,655.46
  6. Step 6: Final answer
    x = 2,292.67

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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.