Home / 1,723.39-2,586.47-628.08

Finding the Fourth Proportional to 1,723.39, 2,586.47 and 628.08

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Solution

The fourth proportional to 1,723.39, 2,586.47 and 628.08 is: 942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.39 : 2,586.47 = 628.08 : x
  2. Step 2: Convert to fraction form
    1,723.39/2,586.47 = 628.08/x
  3. Step 3: Cross multiply
    1,723.39x = 2,586.47 × 628.08
  4. Step 4: Simplify right side
    1,723.39x = 1,624,510.08
  5. Step 5: Solve for x
    x = 1,624,510.08/1,723.39
  6. Step 6: Final answer
    x = 942.62

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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.