Home / 3,009.93-4,153.41-1,683.60

Finding the Fourth Proportional to 3,009.93, 4,153.41 and 1,683.60

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Solution

The fourth proportional to 3,009.93, 4,153.41 and 1,683.60 is: 2,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.93 : 4,153.41 = 1,683.60 : x
  2. Step 2: Convert to fraction form
    3,009.93/4,153.41 = 1,683.60/x
  3. Step 3: Cross multiply
    3,009.93x = 4,153.41 × 1,683.60
  4. Step 4: Simplify right side
    3,009.93x = 6,992,681.08
  5. Step 5: Solve for x
    x = 6,992,681.08/3,009.93
  6. Step 6: Final answer
    x = 2,323.20

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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.