Home / 3,408.40-4,708.10-2,528.74

Finding the Fourth Proportional to 3,408.40, 4,708.10 and 2,528.74

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Solution

The fourth proportional to 3,408.40, 4,708.10 and 2,528.74 is: 3,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.40 : 4,708.10 = 2,528.74 : x
  2. Step 2: Convert to fraction form
    3,408.40/4,708.10 = 2,528.74/x
  3. Step 3: Cross multiply
    3,408.40x = 4,708.10 × 2,528.74
  4. Step 4: Simplify right side
    3,408.40x = 11,905,560.79
  5. Step 5: Solve for x
    x = 11,905,560.79/3,408.40
  6. Step 6: Final answer
    x = 3,493.01

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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.