Home / 1,914.04-2,638.38-1,250.56

Finding the Fourth Proportional to 1,914.04, 2,638.38 and 1,250.56

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Solution

The fourth proportional to 1,914.04, 2,638.38 and 1,250.56 is: 1,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.04 : 2,638.38 = 1,250.56 : x
  2. Step 2: Convert to fraction form
    1,914.04/2,638.38 = 1,250.56/x
  3. Step 3: Cross multiply
    1,914.04x = 2,638.38 × 1,250.56
  4. Step 4: Simplify right side
    1,914.04x = 3,299,452.49
  5. Step 5: Solve for x
    x = 3,299,452.49/1,914.04
  6. Step 6: Final answer
    x = 1,723.82

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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.