Home / 2,502.23-3,451.29-1,911.74

Finding the Fourth Proportional to 2,502.23, 3,451.29 and 1,911.74

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Solution

The fourth proportional to 2,502.23, 3,451.29 and 1,911.74 is: 2,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.23 : 3,451.29 = 1,911.74 : x
  2. Step 2: Convert to fraction form
    2,502.23/3,451.29 = 1,911.74/x
  3. Step 3: Cross multiply
    2,502.23x = 3,451.29 × 1,911.74
  4. Step 4: Simplify right side
    2,502.23x = 6,597,969.14
  5. Step 5: Solve for x
    x = 6,597,969.14/2,502.23
  6. Step 6: Final answer
    x = 2,636.84

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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.