Home / 3,455.66-4,766.99-2,261.32

Finding the Fourth Proportional to 3,455.66, 4,766.99 and 2,261.32

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Solution

The fourth proportional to 3,455.66, 4,766.99 and 2,261.32 is: 3,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.66 : 4,766.99 = 2,261.32 : x
  2. Step 2: Convert to fraction form
    3,455.66/4,766.99 = 2,261.32/x
  3. Step 3: Cross multiply
    3,455.66x = 4,766.99 × 2,261.32
  4. Step 4: Simplify right side
    3,455.66x = 10,779,666.60
  5. Step 5: Solve for x
    x = 10,779,666.60/3,455.66
  6. Step 6: Final answer
    x = 3,119.42

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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.