Home / 1,380.48-2,077.44-1,244.16

Finding the Fourth Proportional to 1,380.48, 2,077.44 and 1,244.16

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Solution

The fourth proportional to 1,380.48, 2,077.44 and 1,244.16 is: 1,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380.48 : 2,077.44 = 1,244.16 : x
  2. Step 2: Convert to fraction form
    1,380.48/2,077.44 = 1,244.16/x
  3. Step 3: Cross multiply
    1,380.48x = 2,077.44 × 1,244.16
  4. Step 4: Simplify right side
    1,380.48x = 2,584,667.75
  5. Step 5: Solve for x
    x = 2,584,667.75/1,380.48
  6. Step 6: Final answer
    x = 1,872.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.