Home / 1,030.37-1,421.88-610.97

Finding the Fourth Proportional to 1,030.37, 1,421.88 and 610.97

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Solution

The fourth proportional to 1,030.37, 1,421.88 and 610.97 is: 843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.37 : 1,421.88 = 610.97 : x
  2. Step 2: Convert to fraction form
    1,030.37/1,421.88 = 610.97/x
  3. Step 3: Cross multiply
    1,030.37x = 1,421.88 × 610.97
  4. Step 4: Simplify right side
    1,030.37x = 868,726.02
  5. Step 5: Solve for x
    x = 868,726.02/1,030.37
  6. Step 6: Final answer
    x = 843.12

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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.