Home / 1,723.24-2,584.84-424.72

Finding the Fourth Proportional to 1,723.24, 2,584.84 and 424.72

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Solution

The fourth proportional to 1,723.24, 2,584.84 and 424.72 is: 637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.24 : 2,584.84 = 424.72 : x
  2. Step 2: Convert to fraction form
    1,723.24/2,584.84 = 424.72/x
  3. Step 3: Cross multiply
    1,723.24x = 2,584.84 × 424.72
  4. Step 4: Simplify right side
    1,723.24x = 1,097,833.24
  5. Step 5: Solve for x
    x = 1,097,833.24/1,723.24
  6. Step 6: Final answer
    x = 637.08

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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.