Home / 2,214.63-3,055.95-1,219.95

Finding the Fourth Proportional to 2,214.63, 3,055.95 and 1,219.95

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Solution

The fourth proportional to 2,214.63, 3,055.95 and 1,219.95 is: 1,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.63 : 3,055.95 = 1,219.95 : x
  2. Step 2: Convert to fraction form
    2,214.63/3,055.95 = 1,219.95/x
  3. Step 3: Cross multiply
    2,214.63x = 3,055.95 × 1,219.95
  4. Step 4: Simplify right side
    2,214.63x = 3,728,106.20
  5. Step 5: Solve for x
    x = 3,728,106.20/2,214.63
  6. Step 6: Final answer
    x = 1,683.40

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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.