Home / 1,544.21-2,317.85-723.07

Finding the Fourth Proportional to 1,544.21, 2,317.85 and 723.07

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Solution

The fourth proportional to 1,544.21, 2,317.85 and 723.07 is: 1,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.21 : 2,317.85 = 723.07 : x
  2. Step 2: Convert to fraction form
    1,544.21/2,317.85 = 723.07/x
  3. Step 3: Cross multiply
    1,544.21x = 2,317.85 × 723.07
  4. Step 4: Simplify right side
    1,544.21x = 1,675,952.59
  5. Step 5: Solve for x
    x = 1,675,952.59/1,544.21
  6. Step 6: Final answer
    x = 1,085.32

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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.