Home / 1,322.60-1,825.43-1,007.37

Finding the Fourth Proportional to 1,322.60, 1,825.43 and 1,007.37

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Solution

The fourth proportional to 1,322.60, 1,825.43 and 1,007.37 is: 1,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.60 : 1,825.43 = 1,007.37 : x
  2. Step 2: Convert to fraction form
    1,322.60/1,825.43 = 1,007.37/x
  3. Step 3: Cross multiply
    1,322.60x = 1,825.43 × 1,007.37
  4. Step 4: Simplify right side
    1,322.60x = 1,838,878.38
  5. Step 5: Solve for x
    x = 1,838,878.38/1,322.60
  6. Step 6: Final answer
    x = 1,390.36

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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.