Home / 1,724.94-2,379.51-1,134.45

Finding the Fourth Proportional to 1,724.94, 2,379.51 and 1,134.45

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Solution

The fourth proportional to 1,724.94, 2,379.51 and 1,134.45 is: 1,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.94 : 2,379.51 = 1,134.45 : x
  2. Step 2: Convert to fraction form
    1,724.94/2,379.51 = 1,134.45/x
  3. Step 3: Cross multiply
    1,724.94x = 2,379.51 × 1,134.45
  4. Step 4: Simplify right side
    1,724.94x = 2,699,435.12
  5. Step 5: Solve for x
    x = 2,699,435.12/1,724.94
  6. Step 6: Final answer
    x = 1,564.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.