Home / 1,341.01-2,009.29-949.07

Finding the Fourth Proportional to 1,341.01, 2,009.29 and 949.07

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Solution

The fourth proportional to 1,341.01, 2,009.29 and 949.07 is: 1,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.01 : 2,009.29 = 949.07 : x
  2. Step 2: Convert to fraction form
    1,341.01/2,009.29 = 949.07/x
  3. Step 3: Cross multiply
    1,341.01x = 2,009.29 × 949.07
  4. Step 4: Simplify right side
    1,341.01x = 1,906,959.51
  5. Step 5: Solve for x
    x = 1,906,959.51/1,341.01
  6. Step 6: Final answer
    x = 1,422.03

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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.