Home / 1,775.49-2,450.91-1,112.19

Finding the Fourth Proportional to 1,775.49, 2,450.91 and 1,112.19

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Solution

The fourth proportional to 1,775.49, 2,450.91 and 1,112.19 is: 1,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.49 : 2,450.91 = 1,112.19 : x
  2. Step 2: Convert to fraction form
    1,775.49/2,450.91 = 1,112.19/x
  3. Step 3: Cross multiply
    1,775.49x = 2,450.91 × 1,112.19
  4. Step 4: Simplify right side
    1,775.49x = 2,725,877.59
  5. Step 5: Solve for x
    x = 2,725,877.59/1,775.49
  6. Step 6: Final answer
    x = 1,535.28

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1.5x scale

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.