Home / 1,645.37-2,271.24-1,016

Finding the Fourth Proportional to 1,645.37, 2,271.24 and 1,016

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Solution

The fourth proportional to 1,645.37, 2,271.24 and 1,016 is: 1,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.37 : 2,271.24 = 1,016 : x
  2. Step 2: Convert to fraction form
    1,645.37/2,271.24 = 1,016/x
  3. Step 3: Cross multiply
    1,645.37x = 2,271.24 × 1,016
  4. Step 4: Simplify right side
    1,645.37x = 2,307,579.84
  5. Step 5: Solve for x
    x = 2,307,579.84/1,645.37
  6. Step 6: Final answer
    x = 1,402.47

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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.