Home / 2,214.77-3,319.05-1,228.04

Finding the Fourth Proportional to 2,214.77, 3,319.05 and 1,228.04

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Solution

The fourth proportional to 2,214.77, 3,319.05 and 1,228.04 is: 1,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.77 : 3,319.05 = 1,228.04 : x
  2. Step 2: Convert to fraction form
    2,214.77/3,319.05 = 1,228.04/x
  3. Step 3: Cross multiply
    2,214.77x = 3,319.05 × 1,228.04
  4. Step 4: Simplify right side
    2,214.77x = 4,075,926.16
  5. Step 5: Solve for x
    x = 4,075,926.16/2,214.77
  6. Step 6: Final answer
    x = 1,840.34

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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.