Home / 2,408.40-3,612.60-1,832.40

Finding the Fourth Proportional to 2,408.40, 3,612.60 and 1,832.40

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Solution

The fourth proportional to 2,408.40, 3,612.60 and 1,832.40 is: 2,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.40 : 3,612.60 = 1,832.40 : x
  2. Step 2: Convert to fraction form
    2,408.40/3,612.60 = 1,832.40/x
  3. Step 3: Cross multiply
    2,408.40x = 3,612.60 × 1,832.40
  4. Step 4: Simplify right side
    2,408.40x = 6,619,728.24
  5. Step 5: Solve for x
    x = 6,619,728.24/2,408.40
  6. Step 6: Final answer
    x = 2,748.60

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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.