Home / 2,830.96-3,907.20-1,652.03

Finding the Fourth Proportional to 2,830.96, 3,907.20 and 1,652.03

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Solution

The fourth proportional to 2,830.96, 3,907.20 and 1,652.03 is: 2,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.96 : 3,907.20 = 1,652.03 : x
  2. Step 2: Convert to fraction form
    2,830.96/3,907.20 = 1,652.03/x
  3. Step 3: Cross multiply
    2,830.96x = 3,907.20 × 1,652.03
  4. Step 4: Simplify right side
    2,830.96x = 6,454,811.62
  5. Step 5: Solve for x
    x = 6,454,811.62/2,830.96
  6. Step 6: Final answer
    x = 2,280.08

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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.