Home / 1,310.48-1,974.74-1,084.46

Finding the Fourth Proportional to 1,310.48, 1,974.74 and 1,084.46

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Solution

The fourth proportional to 1,310.48, 1,974.74 and 1,084.46 is: 1,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.48 : 1,974.74 = 1,084.46 : x
  2. Step 2: Convert to fraction form
    1,310.48/1,974.74 = 1,084.46/x
  3. Step 3: Cross multiply
    1,310.48x = 1,974.74 × 1,084.46
  4. Step 4: Simplify right side
    1,310.48x = 2,141,511.24
  5. Step 5: Solve for x
    x = 2,141,511.24/1,310.48
  6. Step 6: Final answer
    x = 1,634.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.