Home / 3,719.92-5,582.52-1,530.64

Finding the Fourth Proportional to 3,719.92, 5,582.52 and 1,530.64

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Solution

The fourth proportional to 3,719.92, 5,582.52 and 1,530.64 is: 2,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.92 : 5,582.52 = 1,530.64 : x
  2. Step 2: Convert to fraction form
    3,719.92/5,582.52 = 1,530.64/x
  3. Step 3: Cross multiply
    3,719.92x = 5,582.52 × 1,530.64
  4. Step 4: Simplify right side
    3,719.92x = 8,544,828.41
  5. Step 5: Solve for x
    x = 8,544,828.41/3,719.92
  6. Step 6: Final answer
    x = 2,297.05

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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.