Home / 3,464.31-4,780.77-1,892.40

Finding the Fourth Proportional to 3,464.31, 4,780.77 and 1,892.40

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Solution

The fourth proportional to 3,464.31, 4,780.77 and 1,892.40 is: 2,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.31 : 4,780.77 = 1,892.40 : x
  2. Step 2: Convert to fraction form
    3,464.31/4,780.77 = 1,892.40/x
  3. Step 3: Cross multiply
    3,464.31x = 4,780.77 × 1,892.40
  4. Step 4: Simplify right side
    3,464.31x = 9,047,129.15
  5. Step 5: Solve for x
    x = 9,047,129.15/3,464.31
  6. Step 6: Final answer
    x = 2,611.52

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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.