Home / 1,606.09-2,405.19-1,326.74

Finding the Fourth Proportional to 1,606.09, 2,405.19 and 1,326.74

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Solution

The fourth proportional to 1,606.09, 2,405.19 and 1,326.74 is: 1,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.09 : 2,405.19 = 1,326.74 : x
  2. Step 2: Convert to fraction form
    1,606.09/2,405.19 = 1,326.74/x
  3. Step 3: Cross multiply
    1,606.09x = 2,405.19 × 1,326.74
  4. Step 4: Simplify right side
    1,606.09x = 3,191,051.83
  5. Step 5: Solve for x
    x = 3,191,051.83/1,606.09
  6. Step 6: Final answer
    x = 1,986.84

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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.