Home / 1,809.30-2,496.44-1,101.52

Finding the Fourth Proportional to 1,809.30, 2,496.44 and 1,101.52

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Solution

The fourth proportional to 1,809.30, 2,496.44 and 1,101.52 is: 1,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.30 : 2,496.44 = 1,101.52 : x
  2. Step 2: Convert to fraction form
    1,809.30/2,496.44 = 1,101.52/x
  3. Step 3: Cross multiply
    1,809.30x = 2,496.44 × 1,101.52
  4. Step 4: Simplify right side
    1,809.30x = 2,749,866.84
  5. Step 5: Solve for x
    x = 2,749,866.84/1,809.30
  6. Step 6: Final answer
    x = 1,519.85

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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.