Home / 1,825.43-2,519.35-1,039.55

Finding the Fourth Proportional to 1,825.43, 2,519.35 and 1,039.55

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Solution

The fourth proportional to 1,825.43, 2,519.35 and 1,039.55 is: 1,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.43 : 2,519.35 = 1,039.55 : x
  2. Step 2: Convert to fraction form
    1,825.43/2,519.35 = 1,039.55/x
  3. Step 3: Cross multiply
    1,825.43x = 2,519.35 × 1,039.55
  4. Step 4: Simplify right side
    1,825.43x = 2,618,975.10
  5. Step 5: Solve for x
    x = 2,618,975.10/1,825.43
  6. Step 6: Final answer
    x = 1,434.72

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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.