Home / 2,386.11-3,292.73-1,309.41

Finding the Fourth Proportional to 2,386.11, 3,292.73 and 1,309.41

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Solution

The fourth proportional to 2,386.11, 3,292.73 and 1,309.41 is: 1,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.11 : 3,292.73 = 1,309.41 : x
  2. Step 2: Convert to fraction form
    2,386.11/3,292.73 = 1,309.41/x
  3. Step 3: Cross multiply
    2,386.11x = 3,292.73 × 1,309.41
  4. Step 4: Simplify right side
    2,386.11x = 4,311,533.59
  5. Step 5: Solve for x
    x = 4,311,533.59/2,386.11
  6. Step 6: Final answer
    x = 1,806.93

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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.