Home / 3,308.16-4,962.78-1,228.17

Finding the Fourth Proportional to 3,308.16, 4,962.78 and 1,228.17

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Solution

The fourth proportional to 3,308.16, 4,962.78 and 1,228.17 is: 1,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.16 : 4,962.78 = 1,228.17 : x
  2. Step 2: Convert to fraction form
    3,308.16/4,962.78 = 1,228.17/x
  3. Step 3: Cross multiply
    3,308.16x = 4,962.78 × 1,228.17
  4. Step 4: Simplify right side
    3,308.16x = 6,095,137.51
  5. Step 5: Solve for x
    x = 6,095,137.51/3,308.16
  6. Step 6: Final answer
    x = 1,842.46

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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.