Home / 3,009.65-4,153.41-1,683.68

Finding the Fourth Proportional to 3,009.65, 4,153.41 and 1,683.68

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Solution

The fourth proportional to 3,009.65, 4,153.41 and 1,683.68 is: 2,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.65 : 4,153.41 = 1,683.68 : x
  2. Step 2: Convert to fraction form
    3,009.65/4,153.41 = 1,683.68/x
  3. Step 3: Cross multiply
    3,009.65x = 4,153.41 × 1,683.68
  4. Step 4: Simplify right side
    3,009.65x = 6,992,992.58
  5. Step 5: Solve for x
    x = 6,992,992.58/3,009.65
  6. Step 6: Final answer
    x = 2,323.53

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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.