Home / 1,825.66-2,519.21-1,328.86

Finding the Fourth Proportional to 1,825.66, 2,519.21 and 1,328.86

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Solution

The fourth proportional to 1,825.66, 2,519.21 and 1,328.86 is: 1,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.66 : 2,519.21 = 1,328.86 : x
  2. Step 2: Convert to fraction form
    1,825.66/2,519.21 = 1,328.86/x
  3. Step 3: Cross multiply
    1,825.66x = 2,519.21 × 1,328.86
  4. Step 4: Simplify right side
    1,825.66x = 3,347,677.40
  5. Step 5: Solve for x
    x = 3,347,677.40/1,825.66
  6. Step 6: Final answer
    x = 1,833.68

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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.