Home / 2,804.16-3,868.46-1,683.18

Finding the Fourth Proportional to 2,804.16, 3,868.46 and 1,683.18

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Solution

The fourth proportional to 2,804.16, 3,868.46 and 1,683.18 is: 2,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.16 : 3,868.46 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    2,804.16/3,868.46 = 1,683.18/x
  3. Step 3: Cross multiply
    2,804.16x = 3,868.46 × 1,683.18
  4. Step 4: Simplify right side
    2,804.16x = 6,511,312.40
  5. Step 5: Solve for x
    x = 6,511,312.40/2,804.16
  6. Step 6: Final answer
    x = 2,322.02

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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.