Home / 1,825.47-2,519.10-1,039.77

Finding the Fourth Proportional to 1,825.47, 2,519.10 and 1,039.77

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Solution

The fourth proportional to 1,825.47, 2,519.10 and 1,039.77 is: 1,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.47 : 2,519.10 = 1,039.77 : x
  2. Step 2: Convert to fraction form
    1,825.47/2,519.10 = 1,039.77/x
  3. Step 3: Cross multiply
    1,825.47x = 2,519.10 × 1,039.77
  4. Step 4: Simplify right side
    1,825.47x = 2,619,284.61
  5. Step 5: Solve for x
    x = 2,619,284.61/1,825.47
  6. Step 6: Final answer
    x = 1,434.85

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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.