Home / 1,772.99-2,446.31-1,331.95

Finding the Fourth Proportional to 1,772.99, 2,446.31 and 1,331.95

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Solution

The fourth proportional to 1,772.99, 2,446.31 and 1,331.95 is: 1,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.99 : 2,446.31 = 1,331.95 : x
  2. Step 2: Convert to fraction form
    1,772.99/2,446.31 = 1,331.95/x
  3. Step 3: Cross multiply
    1,772.99x = 2,446.31 × 1,331.95
  4. Step 4: Simplify right side
    1,772.99x = 3,258,343.71
  5. Step 5: Solve for x
    x = 3,258,343.71/1,772.99
  6. Step 6: Final answer
    x = 1,837.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.