Home / 1,388.12-2,083.61-566.93

Finding the Fourth Proportional to 1,388.12, 2,083.61 and 566.93

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Solution

The fourth proportional to 1,388.12, 2,083.61 and 566.93 is: 850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388.12 : 2,083.61 = 566.93 : x
  2. Step 2: Convert to fraction form
    1,388.12/2,083.61 = 566.93/x
  3. Step 3: Cross multiply
    1,388.12x = 2,083.61 × 566.93
  4. Step 4: Simplify right side
    1,388.12x = 1,181,267.64
  5. Step 5: Solve for x
    x = 1,181,267.64/1,388.12
  6. Step 6: Final answer
    x = 850.99

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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.