Home / 1,719.70-2,580.92-624.38

Finding the Fourth Proportional to 1,719.70, 2,580.92 and 624.38

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Solution

The fourth proportional to 1,719.70, 2,580.92 and 624.38 is: 937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.70 : 2,580.92 = 624.38 : x
  2. Step 2: Convert to fraction form
    1,719.70/2,580.92 = 624.38/x
  3. Step 3: Cross multiply
    1,719.70x = 2,580.92 × 624.38
  4. Step 4: Simplify right side
    1,719.70x = 1,611,474.83
  5. Step 5: Solve for x
    x = 1,611,474.83/1,719.70
  6. Step 6: Final answer
    x = 937.07

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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.