Home / 2,386.42-3,293.32-1,309.75

Finding the Fourth Proportional to 2,386.42, 3,293.32 and 1,309.75

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Solution

The fourth proportional to 2,386.42, 3,293.32 and 1,309.75 is: 1,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.42 : 3,293.32 = 1,309.75 : x
  2. Step 2: Convert to fraction form
    2,386.42/3,293.32 = 1,309.75/x
  3. Step 3: Cross multiply
    2,386.42x = 3,293.32 × 1,309.75
  4. Step 4: Simplify right side
    2,386.42x = 4,313,425.87
  5. Step 5: Solve for x
    x = 4,313,425.87/2,386.42
  6. Step 6: Final answer
    x = 1,807.49

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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.