Home / 1,734.12-2,601.24-435.60

Finding the Fourth Proportional to 1,734.12, 2,601.24 and 435.60

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Solution

The fourth proportional to 1,734.12, 2,601.24 and 435.60 is: 653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.12 : 2,601.24 = 435.60 : x
  2. Step 2: Convert to fraction form
    1,734.12/2,601.24 = 435.60/x
  3. Step 3: Cross multiply
    1,734.12x = 2,601.24 × 435.60
  4. Step 4: Simplify right side
    1,734.12x = 1,133,100.14
  5. Step 5: Solve for x
    x = 1,133,100.14/1,734.12
  6. Step 6: Final answer
    x = 653.42

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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.