Home / 1,606.21-2,409.10-436.27

Finding the Fourth Proportional to 1,606.21, 2,409.10 and 436.27

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Solution

The fourth proportional to 1,606.21, 2,409.10 and 436.27 is: 654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.21 : 2,409.10 = 436.27 : x
  2. Step 2: Convert to fraction form
    1,606.21/2,409.10 = 436.27/x
  3. Step 3: Cross multiply
    1,606.21x = 2,409.10 × 436.27
  4. Step 4: Simplify right side
    1,606.21x = 1,051,018.06
  5. Step 5: Solve for x
    x = 1,051,018.06/1,606.21
  6. Step 6: Final answer
    x = 654.35

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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.