Home / 3,009.80-4,153.49-1,683.51

Finding the Fourth Proportional to 3,009.80, 4,153.49 and 1,683.51

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Solution

The fourth proportional to 3,009.80, 4,153.49 and 1,683.51 is: 2,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.80 : 4,153.49 = 1,683.51 : x
  2. Step 2: Convert to fraction form
    3,009.80/4,153.49 = 1,683.51/x
  3. Step 3: Cross multiply
    3,009.80x = 4,153.49 × 1,683.51
  4. Step 4: Simplify right side
    3,009.80x = 6,992,441.95
  5. Step 5: Solve for x
    x = 6,992,441.95/3,009.80
  6. Step 6: Final answer
    x = 2,323.22

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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.