Home / 2,479.04-3,715.32-1,857.86

Finding the Fourth Proportional to 2,479.04, 3,715.32 and 1,857.86

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Solution

The fourth proportional to 2,479.04, 3,715.32 and 1,857.86 is: 2,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.04 : 3,715.32 = 1,857.86 : x
  2. Step 2: Convert to fraction form
    2,479.04/3,715.32 = 1,857.86/x
  3. Step 3: Cross multiply
    2,479.04x = 3,715.32 × 1,857.86
  4. Step 4: Simplify right side
    2,479.04x = 6,902,544.42
  5. Step 5: Solve for x
    x = 6,902,544.42/2,479.04
  6. Step 6: Final answer
    x = 2,784.36

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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.