Home / 3,660.88-5,492.40-1,470.16

Finding the Fourth Proportional to 3,660.88, 5,492.40 and 1,470.16

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Solution

The fourth proportional to 3,660.88, 5,492.40 and 1,470.16 is: 2,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.88 : 5,492.40 = 1,470.16 : x
  2. Step 2: Convert to fraction form
    3,660.88/5,492.40 = 1,470.16/x
  3. Step 3: Cross multiply
    3,660.88x = 5,492.40 × 1,470.16
  4. Step 4: Simplify right side
    3,660.88x = 8,074,706.78
  5. Step 5: Solve for x
    x = 8,074,706.78/3,660.88
  6. Step 6: Final answer
    x = 2,205.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.