Home / 3,070.89-4,606.32-1,221.51

Finding the Fourth Proportional to 3,070.89, 4,606.32 and 1,221.51

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Solution

The fourth proportional to 3,070.89, 4,606.32 and 1,221.51 is: 1,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.89 : 4,606.32 = 1,221.51 : x
  2. Step 2: Convert to fraction form
    3,070.89/4,606.32 = 1,221.51/x
  3. Step 3: Cross multiply
    3,070.89x = 4,606.32 × 1,221.51
  4. Step 4: Simplify right side
    3,070.89x = 5,626,665.94
  5. Step 5: Solve for x
    x = 5,626,665.94/3,070.89
  6. Step 6: Final answer
    x = 1,832.26

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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.