Home / 3,048.13-4,572.41-1,489.43

Finding the Fourth Proportional to 3,048.13, 4,572.41 and 1,489.43

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Solution

The fourth proportional to 3,048.13, 4,572.41 and 1,489.43 is: 2,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.13 : 4,572.41 = 1,489.43 : x
  2. Step 2: Convert to fraction form
    3,048.13/4,572.41 = 1,489.43/x
  3. Step 3: Cross multiply
    3,048.13x = 4,572.41 × 1,489.43
  4. Step 4: Simplify right side
    3,048.13x = 6,810,284.63
  5. Step 5: Solve for x
    x = 6,810,284.63/3,048.13
  6. Step 6: Final answer
    x = 2,234.25

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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.