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Finding the Fourth Proportional to 2,830.56, 3,906.62 and 1,652.32

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Solution

The fourth proportional to 2,830.56, 3,906.62 and 1,652.32 is: 2,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.56 : 3,906.62 = 1,652.32 : x
  2. Step 2: Convert to fraction form
    2,830.56/3,906.62 = 1,652.32/x
  3. Step 3: Cross multiply
    2,830.56x = 3,906.62 × 1,652.32
  4. Step 4: Simplify right side
    2,830.56x = 6,454,986.36
  5. Step 5: Solve for x
    x = 6,454,986.36/2,830.56
  6. Step 6: Final answer
    x = 2,280.46

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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.