Home / 3,059.12-4,589.72-1,111.48

Finding the Fourth Proportional to 3,059.12, 4,589.72 and 1,111.48

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Solution

The fourth proportional to 3,059.12, 4,589.72 and 1,111.48 is: 1,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.12 : 4,589.72 = 1,111.48 : x
  2. Step 2: Convert to fraction form
    3,059.12/4,589.72 = 1,111.48/x
  3. Step 3: Cross multiply
    3,059.12x = 4,589.72 × 1,111.48
  4. Step 4: Simplify right side
    3,059.12x = 5,101,381.99
  5. Step 5: Solve for x
    x = 5,101,381.99/3,059.12
  6. Step 6: Final answer
    x = 1,667.60

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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.