Home / 2,911.56-4,017.96-1,652.64

Finding the Fourth Proportional to 2,911.56, 4,017.96 and 1,652.64

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Solution

The fourth proportional to 2,911.56, 4,017.96 and 1,652.64 is: 2,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.56 : 4,017.96 = 1,652.64 : x
  2. Step 2: Convert to fraction form
    2,911.56/4,017.96 = 1,652.64/x
  3. Step 3: Cross multiply
    2,911.56x = 4,017.96 × 1,652.64
  4. Step 4: Simplify right side
    2,911.56x = 6,640,241.41
  5. Step 5: Solve for x
    x = 6,640,241.41/2,911.56
  6. Step 6: Final answer
    x = 2,280.65

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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.