Home / 3,355.84-4,630.10-2,028.58

Finding the Fourth Proportional to 3,355.84, 4,630.10 and 2,028.58

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Solution

The fourth proportional to 3,355.84, 4,630.10 and 2,028.58 is: 2,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.84 : 4,630.10 = 2,028.58 : x
  2. Step 2: Convert to fraction form
    3,355.84/4,630.10 = 2,028.58/x
  3. Step 3: Cross multiply
    3,355.84x = 4,630.10 × 2,028.58
  4. Step 4: Simplify right side
    3,355.84x = 9,392,528.26
  5. Step 5: Solve for x
    x = 9,392,528.26/3,355.84
  6. Step 6: Final answer
    x = 2,798.86

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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.