Home / 1,523.68-2,104.40-1,144.90

Finding the Fourth Proportional to 1,523.68, 2,104.40 and 1,144.90

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Solution

The fourth proportional to 1,523.68, 2,104.40 and 1,144.90 is: 1,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.68 : 2,104.40 = 1,144.90 : x
  2. Step 2: Convert to fraction form
    1,523.68/2,104.40 = 1,144.90/x
  3. Step 3: Cross multiply
    1,523.68x = 2,104.40 × 1,144.90
  4. Step 4: Simplify right side
    1,523.68x = 2,409,327.56
  5. Step 5: Solve for x
    x = 2,409,327.56/1,523.68
  6. Step 6: Final answer
    x = 1,581.26

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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.