Home / 2,581.66-3,873.71-1,607.23

Finding the Fourth Proportional to 2,581.66, 3,873.71 and 1,607.23

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Solution

The fourth proportional to 2,581.66, 3,873.71 and 1,607.23 is: 2,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.66 : 3,873.71 = 1,607.23 : x
  2. Step 2: Convert to fraction form
    2,581.66/3,873.71 = 1,607.23/x
  3. Step 3: Cross multiply
    2,581.66x = 3,873.71 × 1,607.23
  4. Step 4: Simplify right side
    2,581.66x = 6,225,942.92
  5. Step 5: Solve for x
    x = 6,225,942.92/2,581.66
  6. Step 6: Final answer
    x = 2,411.60

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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.