Home / 2,971.54-4,458.30-1,874.62

Finding the Fourth Proportional to 2,971.54, 4,458.30 and 1,874.62

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Solution

The fourth proportional to 2,971.54, 4,458.30 and 1,874.62 is: 2,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.54 : 4,458.30 = 1,874.62 : x
  2. Step 2: Convert to fraction form
    2,971.54/4,458.30 = 1,874.62/x
  3. Step 3: Cross multiply
    2,971.54x = 4,458.30 × 1,874.62
  4. Step 4: Simplify right side
    2,971.54x = 8,357,618.35
  5. Step 5: Solve for x
    x = 8,357,618.35/2,971.54
  6. Step 6: Final answer
    x = 2,812.55

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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.