Home / 1,026.15-1,539.23-822.02

Finding the Fourth Proportional to 1,026.15, 1,539.23 and 822.02

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Solution

The fourth proportional to 1,026.15, 1,539.23 and 822.02 is: 1,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.15 : 1,539.23 = 822.02 : x
  2. Step 2: Convert to fraction form
    1,026.15/1,539.23 = 822.02/x
  3. Step 3: Cross multiply
    1,026.15x = 1,539.23 × 822.02
  4. Step 4: Simplify right side
    1,026.15x = 1,265,266.04
  5. Step 5: Solve for x
    x = 1,265,266.04/1,026.15
  6. Step 6: Final answer
    x = 1,233.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.