Home / 2,325.40-3,489.56-1,449.61

Finding the Fourth Proportional to 2,325.40, 3,489.56 and 1,449.61

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Solution

The fourth proportional to 2,325.40, 3,489.56 and 1,449.61 is: 2,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.40 : 3,489.56 = 1,449.61 : x
  2. Step 2: Convert to fraction form
    2,325.40/3,489.56 = 1,449.61/x
  3. Step 3: Cross multiply
    2,325.40x = 3,489.56 × 1,449.61
  4. Step 4: Simplify right side
    2,325.40x = 5,058,491.37
  5. Step 5: Solve for x
    x = 5,058,491.37/2,325.40
  6. Step 6: Final answer
    x = 2,175.32

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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.