Home / 3,099.81-4,277.77-1,683.51

Finding the Fourth Proportional to 3,099.81, 4,277.77 and 1,683.51

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Solution

The fourth proportional to 3,099.81, 4,277.77 and 1,683.51 is: 2,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.81 : 4,277.77 = 1,683.51 : x
  2. Step 2: Convert to fraction form
    3,099.81/4,277.77 = 1,683.51/x
  3. Step 3: Cross multiply
    3,099.81x = 4,277.77 × 1,683.51
  4. Step 4: Simplify right side
    3,099.81x = 7,201,665.09
  5. Step 5: Solve for x
    x = 7,201,665.09/3,099.81
  6. Step 6: Final answer
    x = 2,323.26

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1.5x scale

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.