Home / 1,606.55-2,409.26-619.44

Finding the Fourth Proportional to 1,606.55, 2,409.26 and 619.44

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Solution

The fourth proportional to 1,606.55, 2,409.26 and 619.44 is: 928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.55 : 2,409.26 = 619.44 : x
  2. Step 2: Convert to fraction form
    1,606.55/2,409.26 = 619.44/x
  3. Step 3: Cross multiply
    1,606.55x = 2,409.26 × 619.44
  4. Step 4: Simplify right side
    1,606.55x = 1,492,388.92
  5. Step 5: Solve for x
    x = 1,492,388.92/1,606.55
  6. Step 6: Final answer
    x = 928.94

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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.