Home / 2,502.96-3,453.78-1,383.75

Finding the Fourth Proportional to 2,502.96, 3,453.78 and 1,383.75

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Solution

The fourth proportional to 2,502.96, 3,453.78 and 1,383.75 is: 1,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.96 : 3,453.78 = 1,383.75 : x
  2. Step 2: Convert to fraction form
    2,502.96/3,453.78 = 1,383.75/x
  3. Step 3: Cross multiply
    2,502.96x = 3,453.78 × 1,383.75
  4. Step 4: Simplify right side
    2,502.96x = 4,779,168.08
  5. Step 5: Solve for x
    x = 4,779,168.08/2,502.96
  6. Step 6: Final answer
    x = 1,909.41

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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.