Home / 2,502.56-3,453.44-1,383.45

Finding the Fourth Proportional to 2,502.56, 3,453.44 and 1,383.45

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Solution

The fourth proportional to 2,502.56, 3,453.44 and 1,383.45 is: 1,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.56 : 3,453.44 = 1,383.45 : x
  2. Step 2: Convert to fraction form
    2,502.56/3,453.44 = 1,383.45/x
  3. Step 3: Cross multiply
    2,502.56x = 3,453.44 × 1,383.45
  4. Step 4: Simplify right side
    2,502.56x = 4,777,641.70
  5. Step 5: Solve for x
    x = 4,777,641.70/2,502.56
  6. Step 6: Final answer
    x = 1,909.10

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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.