Home / 2,208.98-3,048.35-1,214.21

Finding the Fourth Proportional to 2,208.98, 3,048.35 and 1,214.21

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Solution

The fourth proportional to 2,208.98, 3,048.35 and 1,214.21 is: 1,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.98 : 3,048.35 = 1,214.21 : x
  2. Step 2: Convert to fraction form
    2,208.98/3,048.35 = 1,214.21/x
  3. Step 3: Cross multiply
    2,208.98x = 3,048.35 × 1,214.21
  4. Step 4: Simplify right side
    2,208.98x = 3,701,315.74
  5. Step 5: Solve for x
    x = 3,701,315.74/2,208.98
  6. Step 6: Final answer
    x = 1,675.58

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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.