Home / 3,470.55-4,790.96-2,145.03

Finding the Fourth Proportional to 3,470.55, 4,790.96 and 2,145.03

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Solution

The fourth proportional to 3,470.55, 4,790.96 and 2,145.03 is: 2,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.55 : 4,790.96 = 2,145.03 : x
  2. Step 2: Convert to fraction form
    3,470.55/4,790.96 = 2,145.03/x
  3. Step 3: Cross multiply
    3,470.55x = 4,790.96 × 2,145.03
  4. Step 4: Simplify right side
    3,470.55x = 10,276,742.20
  5. Step 5: Solve for x
    x = 10,276,742.20/3,470.55
  6. Step 6: Final answer
    x = 2,961.13

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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.