Home / 3,477.66-5,216.58-2,788.71

Finding the Fourth Proportional to 3,477.66, 5,216.58 and 2,788.71

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Solution

The fourth proportional to 3,477.66, 5,216.58 and 2,788.71 is: 4,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.66 : 5,216.58 = 2,788.71 : x
  2. Step 2: Convert to fraction form
    3,477.66/5,216.58 = 2,788.71/x
  3. Step 3: Cross multiply
    3,477.66x = 5,216.58 × 2,788.71
  4. Step 4: Simplify right side
    3,477.66x = 14,547,528.81
  5. Step 5: Solve for x
    x = 14,547,528.81/3,477.66
  6. Step 6: Final answer
    x = 4,183.14

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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.