Home / 2,094.47-2,889.36-1,386.14

Finding the Fourth Proportional to 2,094.47, 2,889.36 and 1,386.14

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Solution

The fourth proportional to 2,094.47, 2,889.36 and 1,386.14 is: 1,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.47 : 2,889.36 = 1,386.14 : x
  2. Step 2: Convert to fraction form
    2,094.47/2,889.36 = 1,386.14/x
  3. Step 3: Cross multiply
    2,094.47x = 2,889.36 × 1,386.14
  4. Step 4: Simplify right side
    2,094.47x = 4,005,057.47
  5. Step 5: Solve for x
    x = 4,005,057.47/2,094.47
  6. Step 6: Final answer
    x = 1,912.21

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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.