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Finding the Fourth Proportional to 2,794.24, 4,191.24 and 846.36

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Solution

The fourth proportional to 2,794.24, 4,191.24 and 846.36 is: 1,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.24 : 4,191.24 = 846.36 : x
  2. Step 2: Convert to fraction form
    2,794.24/4,191.24 = 846.36/x
  3. Step 3: Cross multiply
    2,794.24x = 4,191.24 × 846.36
  4. Step 4: Simplify right side
    2,794.24x = 3,547,297.89
  5. Step 5: Solve for x
    x = 3,547,297.89/2,794.24
  6. Step 6: Final answer
    x = 1,269.50

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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.