Home / 3,009.30-4,509.82-1,693.69

Finding the Fourth Proportional to 3,009.30, 4,509.82 and 1,693.69

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Solution

The fourth proportional to 3,009.30, 4,509.82 and 1,693.69 is: 2,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.30 : 4,509.82 = 1,693.69 : x
  2. Step 2: Convert to fraction form
    3,009.30/4,509.82 = 1,693.69/x
  3. Step 3: Cross multiply
    3,009.30x = 4,509.82 × 1,693.69
  4. Step 4: Simplify right side
    3,009.30x = 7,638,237.04
  5. Step 5: Solve for x
    x = 7,638,237.04/3,009.30
  6. Step 6: Final answer
    x = 2,538.21

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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.