Home / 1,825.49-2,519.02-1,039.43

Finding the Fourth Proportional to 1,825.49, 2,519.02 and 1,039.43

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Solution

The fourth proportional to 1,825.49, 2,519.02 and 1,039.43 is: 1,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.49 : 2,519.02 = 1,039.43 : x
  2. Step 2: Convert to fraction form
    1,825.49/2,519.02 = 1,039.43/x
  3. Step 3: Cross multiply
    1,825.49x = 2,519.02 × 1,039.43
  4. Step 4: Simplify right side
    1,825.49x = 2,618,344.96
  5. Step 5: Solve for x
    x = 2,618,344.96/1,825.49
  6. Step 6: Final answer
    x = 1,434.32

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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.