Home / 2,408.64-3,320.52-1,878.24

Finding the Fourth Proportional to 2,408.64, 3,320.52 and 1,878.24

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Solution

The fourth proportional to 2,408.64, 3,320.52 and 1,878.24 is: 2,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.64 : 3,320.52 = 1,878.24 : x
  2. Step 2: Convert to fraction form
    2,408.64/3,320.52 = 1,878.24/x
  3. Step 3: Cross multiply
    2,408.64x = 3,320.52 × 1,878.24
  4. Step 4: Simplify right side
    2,408.64x = 6,236,733.48
  5. Step 5: Solve for x
    x = 6,236,733.48/2,408.64
  6. Step 6: Final answer
    x = 2,589.32

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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.