Home / 2,515.44-3,471.72-1,453.26

Finding the Fourth Proportional to 2,515.44, 3,471.72 and 1,453.26

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Solution

The fourth proportional to 2,515.44, 3,471.72 and 1,453.26 is: 2,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.44 : 3,471.72 = 1,453.26 : x
  2. Step 2: Convert to fraction form
    2,515.44/3,471.72 = 1,453.26/x
  3. Step 3: Cross multiply
    2,515.44x = 3,471.72 × 1,453.26
  4. Step 4: Simplify right side
    2,515.44x = 5,045,311.81
  5. Step 5: Solve for x
    x = 5,045,311.81/2,515.44
  6. Step 6: Final answer
    x = 2,005.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.