Home / 3,094.84-4,639.48-1,145.68

Finding the Fourth Proportional to 3,094.84, 4,639.48 and 1,145.68

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Solution

The fourth proportional to 3,094.84, 4,639.48 and 1,145.68 is: 1,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.84 : 4,639.48 = 1,145.68 : x
  2. Step 2: Convert to fraction form
    3,094.84/4,639.48 = 1,145.68/x
  3. Step 3: Cross multiply
    3,094.84x = 4,639.48 × 1,145.68
  4. Step 4: Simplify right side
    3,094.84x = 5,315,359.45
  5. Step 5: Solve for x
    x = 5,315,359.45/3,094.84
  6. Step 6: Final answer
    x = 1,717.49

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Double scale
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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.