Home / 3,660.40-5,491.52-1,063.60

Finding the Fourth Proportional to 3,660.40, 5,491.52 and 1,063.60

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Solution

The fourth proportional to 3,660.40, 5,491.52 and 1,063.60 is: 1,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.40 : 5,491.52 = 1,063.60 : x
  2. Step 2: Convert to fraction form
    3,660.40/5,491.52 = 1,063.60/x
  3. Step 3: Cross multiply
    3,660.40x = 5,491.52 × 1,063.60
  4. Step 4: Simplify right side
    3,660.40x = 5,840,780.67
  5. Step 5: Solve for x
    x = 5,840,780.67/3,660.40
  6. Step 6: Final answer
    x = 1,595.67

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1.5x scale

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.