Home / 3,070.25-4,606.89-1,221.32

Finding the Fourth Proportional to 3,070.25, 4,606.89 and 1,221.32

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Solution

The fourth proportional to 3,070.25, 4,606.89 and 1,221.32 is: 1,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.25 : 4,606.89 = 1,221.32 : x
  2. Step 2: Convert to fraction form
    3,070.25/4,606.89 = 1,221.32/x
  3. Step 3: Cross multiply
    3,070.25x = 4,606.89 × 1,221.32
  4. Step 4: Simplify right side
    3,070.25x = 5,626,486.89
  5. Step 5: Solve for x
    x = 5,626,486.89/3,070.25
  6. Step 6: Final answer
    x = 1,832.58

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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.