Home / 1,971.74-2,949.62-1,477.85

Finding the Fourth Proportional to 1,971.74, 2,949.62 and 1,477.85

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Solution

The fourth proportional to 1,971.74, 2,949.62 and 1,477.85 is: 2,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.74 : 2,949.62 = 1,477.85 : x
  2. Step 2: Convert to fraction form
    1,971.74/2,949.62 = 1,477.85/x
  3. Step 3: Cross multiply
    1,971.74x = 2,949.62 × 1,477.85
  4. Step 4: Simplify right side
    1,971.74x = 4,359,073.78
  5. Step 5: Solve for x
    x = 4,359,073.78/1,971.74
  6. Step 6: Final answer
    x = 2,210.77

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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.