Home / 3,600.81-5,396.65-1,624.32

Finding the Fourth Proportional to 3,600.81, 5,396.65 and 1,624.32

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Solution

The fourth proportional to 3,600.81, 5,396.65 and 1,624.32 is: 2,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.81 : 5,396.65 = 1,624.32 : x
  2. Step 2: Convert to fraction form
    3,600.81/5,396.65 = 1,624.32/x
  3. Step 3: Cross multiply
    3,600.81x = 5,396.65 × 1,624.32
  4. Step 4: Simplify right side
    3,600.81x = 8,765,882.47
  5. Step 5: Solve for x
    x = 8,765,882.47/3,600.81
  6. Step 6: Final answer
    x = 2,434.42

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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.