Home / 3,395.75-4,686.51-1,903.81

Finding the Fourth Proportional to 3,395.75, 4,686.51 and 1,903.81

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Solution

The fourth proportional to 3,395.75, 4,686.51 and 1,903.81 is: 2,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.75 : 4,686.51 = 1,903.81 : x
  2. Step 2: Convert to fraction form
    3,395.75/4,686.51 = 1,903.81/x
  3. Step 3: Cross multiply
    3,395.75x = 4,686.51 × 1,903.81
  4. Step 4: Simplify right side
    3,395.75x = 8,922,224.60
  5. Step 5: Solve for x
    x = 8,922,224.60/3,395.75
  6. Step 6: Final answer
    x = 2,627.47

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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.