Home / 1,509.06-2,262.54-729.03

Finding the Fourth Proportional to 1,509.06, 2,262.54 and 729.03

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Solution

The fourth proportional to 1,509.06, 2,262.54 and 729.03 is: 1,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.06 : 2,262.54 = 729.03 : x
  2. Step 2: Convert to fraction form
    1,509.06/2,262.54 = 729.03/x
  3. Step 3: Cross multiply
    1,509.06x = 2,262.54 × 729.03
  4. Step 4: Simplify right side
    1,509.06x = 1,649,459.54
  5. Step 5: Solve for x
    x = 1,649,459.54/1,509.06
  6. Step 6: Final answer
    x = 1,093.04

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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.