Home / 2,213.90-3,054.63-1,427

Finding the Fourth Proportional to 2,213.90, 3,054.63 and 1,427

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Solution

The fourth proportional to 2,213.90, 3,054.63 and 1,427 is: 1,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.90 : 3,054.63 = 1,427 : x
  2. Step 2: Convert to fraction form
    2,213.90/3,054.63 = 1,427/x
  3. Step 3: Cross multiply
    2,213.90x = 3,054.63 × 1,427
  4. Step 4: Simplify right side
    2,213.90x = 4,358,957.01
  5. Step 5: Solve for x
    x = 4,358,957.01/2,213.90
  6. Step 6: Final answer
    x = 1,968.90

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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.