Home / 2,683.64-4,026.60-1,386.02

Finding the Fourth Proportional to 2,683.64, 4,026.60 and 1,386.02

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Solution

The fourth proportional to 2,683.64, 4,026.60 and 1,386.02 is: 2,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.64 : 4,026.60 = 1,386.02 : x
  2. Step 2: Convert to fraction form
    2,683.64/4,026.60 = 1,386.02/x
  3. Step 3: Cross multiply
    2,683.64x = 4,026.60 × 1,386.02
  4. Step 4: Simplify right side
    2,683.64x = 5,580,928.00
  5. Step 5: Solve for x
    x = 5,580,928.00/2,683.64
  6. Step 6: Final answer
    x = 2,079.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.