Home / 2,208.84-3,048.28-1,214.15

Finding the Fourth Proportional to 2,208.84, 3,048.28 and 1,214.15

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Solution

The fourth proportional to 2,208.84, 3,048.28 and 1,214.15 is: 1,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.84 : 3,048.28 = 1,214.15 : x
  2. Step 2: Convert to fraction form
    2,208.84/3,048.28 = 1,214.15/x
  3. Step 3: Cross multiply
    2,208.84x = 3,048.28 × 1,214.15
  4. Step 4: Simplify right side
    2,208.84x = 3,701,069.16
  5. Step 5: Solve for x
    x = 3,701,069.16/2,208.84
  6. Step 6: Final answer
    x = 1,675.57

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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.