Home / 1,030.07-1,421.15-610.44

Finding the Fourth Proportional to 1,030.07, 1,421.15 and 610.44

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Solution

The fourth proportional to 1,030.07, 1,421.15 and 610.44 is: 842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.07 : 1,421.15 = 610.44 : x
  2. Step 2: Convert to fraction form
    1,030.07/1,421.15 = 610.44/x
  3. Step 3: Cross multiply
    1,030.07x = 1,421.15 × 610.44
  4. Step 4: Simplify right side
    1,030.07x = 867,523.75
  5. Step 5: Solve for x
    x = 867,523.75/1,030.07
  6. Step 6: Final answer
    x = 842.20

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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.