Home / 2,220.90-3,066-1,476.12

Finding the Fourth Proportional to 2,220.90, 3,066 and 1,476.12

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Solution

The fourth proportional to 2,220.90, 3,066 and 1,476.12 is: 2,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.90 : 3,066 = 1,476.12 : x
  2. Step 2: Convert to fraction form
    2,220.90/3,066 = 1,476.12/x
  3. Step 3: Cross multiply
    2,220.90x = 3,066 × 1,476.12
  4. Step 4: Simplify right side
    2,220.90x = 4,525,783.92
  5. Step 5: Solve for x
    x = 4,525,783.92/2,220.90
  6. Step 6: Final answer
    x = 2,037.82

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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.