Home / 1,260.84-1,736.32-1,082.36

Finding the Fourth Proportional to 1,260.84, 1,736.32 and 1,082.36

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Solution

The fourth proportional to 1,260.84, 1,736.32 and 1,082.36 is: 1,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.84 : 1,736.32 = 1,082.36 : x
  2. Step 2: Convert to fraction form
    1,260.84/1,736.32 = 1,082.36/x
  3. Step 3: Cross multiply
    1,260.84x = 1,736.32 × 1,082.36
  4. Step 4: Simplify right side
    1,260.84x = 1,879,323.32
  5. Step 5: Solve for x
    x = 1,879,323.32/1,260.84
  6. Step 6: Final answer
    x = 1,490.53

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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.