Home / 3,122.22-4,685.16-1,174.32

Finding the Fourth Proportional to 3,122.22, 4,685.16 and 1,174.32

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Solution

The fourth proportional to 3,122.22, 4,685.16 and 1,174.32 is: 1,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.22 : 4,685.16 = 1,174.32 : x
  2. Step 2: Convert to fraction form
    3,122.22/4,685.16 = 1,174.32/x
  3. Step 3: Cross multiply
    3,122.22x = 4,685.16 × 1,174.32
  4. Step 4: Simplify right side
    3,122.22x = 5,501,877.09
  5. Step 5: Solve for x
    x = 5,501,877.09/3,122.22
  6. Step 6: Final answer
    x = 1,762.17

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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.