Home / 1,619.19-2,235.24-1,059.68

Finding the Fourth Proportional to 1,619.19, 2,235.24 and 1,059.68

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Solution

The fourth proportional to 1,619.19, 2,235.24 and 1,059.68 is: 1,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.19 : 2,235.24 = 1,059.68 : x
  2. Step 2: Convert to fraction form
    1,619.19/2,235.24 = 1,059.68/x
  3. Step 3: Cross multiply
    1,619.19x = 2,235.24 × 1,059.68
  4. Step 4: Simplify right side
    1,619.19x = 2,368,627.95
  5. Step 5: Solve for x
    x = 2,368,627.95/1,619.19
  6. Step 6: Final answer
    x = 1,462.85

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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.