Home / 1,723.66-2,585.72-553.26

Finding the Fourth Proportional to 1,723.66, 2,585.72 and 553.26

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Solution

The fourth proportional to 1,723.66, 2,585.72 and 553.26 is: 829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.66 : 2,585.72 = 553.26 : x
  2. Step 2: Convert to fraction form
    1,723.66/2,585.72 = 553.26/x
  3. Step 3: Cross multiply
    1,723.66x = 2,585.72 × 553.26
  4. Step 4: Simplify right side
    1,723.66x = 1,430,575.45
  5. Step 5: Solve for x
    x = 1,430,575.45/1,723.66
  6. Step 6: Final answer
    x = 829.96

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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.