Home / 3,009.24-4,152.78-1,683.02

Finding the Fourth Proportional to 3,009.24, 4,152.78 and 1,683.02

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Solution

The fourth proportional to 3,009.24, 4,152.78 and 1,683.02 is: 2,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.24 : 4,152.78 = 1,683.02 : x
  2. Step 2: Convert to fraction form
    3,009.24/4,152.78 = 1,683.02/x
  3. Step 3: Cross multiply
    3,009.24x = 4,152.78 × 1,683.02
  4. Step 4: Simplify right side
    3,009.24x = 6,989,222.18
  5. Step 5: Solve for x
    x = 6,989,222.18/3,009.24
  6. Step 6: Final answer
    x = 2,322.59

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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.