Home / 3,453.41-5,181.14-1,809.74

Finding the Fourth Proportional to 3,453.41, 5,181.14 and 1,809.74

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Solution

The fourth proportional to 3,453.41, 5,181.14 and 1,809.74 is: 2,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.41 : 5,181.14 = 1,809.74 : x
  2. Step 2: Convert to fraction form
    3,453.41/5,181.14 = 1,809.74/x
  3. Step 3: Cross multiply
    3,453.41x = 5,181.14 × 1,809.74
  4. Step 4: Simplify right side
    3,453.41x = 9,376,528.69
  5. Step 5: Solve for x
    x = 9,376,528.69/3,453.41
  6. Step 6: Final answer
    x = 2,715.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.