Home / 1,609.06-2,409.46-1,114.76

Finding the Fourth Proportional to 1,609.06, 2,409.46 and 1,114.76

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Solution

The fourth proportional to 1,609.06, 2,409.46 and 1,114.76 is: 1,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.06 : 2,409.46 = 1,114.76 : x
  2. Step 2: Convert to fraction form
    1,609.06/2,409.46 = 1,114.76/x
  3. Step 3: Cross multiply
    1,609.06x = 2,409.46 × 1,114.76
  4. Step 4: Simplify right side
    1,609.06x = 2,685,974.43
  5. Step 5: Solve for x
    x = 2,685,974.43/1,609.06
  6. Step 6: Final answer
    x = 1,669.28

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1.5x scale

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.