Home / 2,669.47-4,004.21-1,370.11

Finding the Fourth Proportional to 2,669.47, 4,004.21 and 1,370.11

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Solution

The fourth proportional to 2,669.47, 4,004.21 and 1,370.11 is: 2,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.47 : 4,004.21 = 1,370.11 : x
  2. Step 2: Convert to fraction form
    2,669.47/4,004.21 = 1,370.11/x
  3. Step 3: Cross multiply
    2,669.47x = 4,004.21 × 1,370.11
  4. Step 4: Simplify right side
    2,669.47x = 5,486,201.31
  5. Step 5: Solve for x
    x = 5,486,201.31/2,669.47
  6. Step 6: Final answer
    x = 2,055.17

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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.