Home / 1,776.36-2,450.54-1,112.05

Finding the Fourth Proportional to 1,776.36, 2,450.54 and 1,112.05

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Solution

The fourth proportional to 1,776.36, 2,450.54 and 1,112.05 is: 1,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.36 : 2,450.54 = 1,112.05 : x
  2. Step 2: Convert to fraction form
    1,776.36/2,450.54 = 1,112.05/x
  3. Step 3: Cross multiply
    1,776.36x = 2,450.54 × 1,112.05
  4. Step 4: Simplify right side
    1,776.36x = 2,725,123.01
  5. Step 5: Solve for x
    x = 2,725,123.01/1,776.36
  6. Step 6: Final answer
    x = 1,534.11

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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.