Home / 2,795.15-4,192.75-1,213.50

Finding the Fourth Proportional to 2,795.15, 4,192.75 and 1,213.50

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Solution

The fourth proportional to 2,795.15, 4,192.75 and 1,213.50 is: 1,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.15 : 4,192.75 = 1,213.50 : x
  2. Step 2: Convert to fraction form
    2,795.15/4,192.75 = 1,213.50/x
  3. Step 3: Cross multiply
    2,795.15x = 4,192.75 × 1,213.50
  4. Step 4: Simplify right side
    2,795.15x = 5,087,902.13
  5. Step 5: Solve for x
    x = 5,087,902.13/2,795.15
  6. Step 6: Final answer
    x = 1,820.26

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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.