Home / 1,539.49-2,125.37-1,016.43

Finding the Fourth Proportional to 1,539.49, 2,125.37 and 1,016.43

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Solution

The fourth proportional to 1,539.49, 2,125.37 and 1,016.43 is: 1,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.49 : 2,125.37 = 1,016.43 : x
  2. Step 2: Convert to fraction form
    1,539.49/2,125.37 = 1,016.43/x
  3. Step 3: Cross multiply
    1,539.49x = 2,125.37 × 1,016.43
  4. Step 4: Simplify right side
    1,539.49x = 2,160,289.83
  5. Step 5: Solve for x
    x = 2,160,289.83/1,539.49
  6. Step 6: Final answer
    x = 1,403.25

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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.