Home / 1,619.33-2,234.99-1,030.55

Finding the Fourth Proportional to 1,619.33, 2,234.99 and 1,030.55

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Solution

The fourth proportional to 1,619.33, 2,234.99 and 1,030.55 is: 1,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.33 : 2,234.99 = 1,030.55 : x
  2. Step 2: Convert to fraction form
    1,619.33/2,234.99 = 1,030.55/x
  3. Step 3: Cross multiply
    1,619.33x = 2,234.99 × 1,030.55
  4. Step 4: Simplify right side
    1,619.33x = 2,303,268.94
  5. Step 5: Solve for x
    x = 2,303,268.94/1,619.33
  6. Step 6: Final answer
    x = 1,422.36

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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.