Home / 3,622.65-5,436.69-1,676.22

Finding the Fourth Proportional to 3,622.65, 5,436.69 and 1,676.22

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Solution

The fourth proportional to 3,622.65, 5,436.69 and 1,676.22 is: 2,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.65 : 5,436.69 = 1,676.22 : x
  2. Step 2: Convert to fraction form
    3,622.65/5,436.69 = 1,676.22/x
  3. Step 3: Cross multiply
    3,622.65x = 5,436.69 × 1,676.22
  4. Step 4: Simplify right side
    3,622.65x = 9,113,088.51
  5. Step 5: Solve for x
    x = 9,113,088.51/3,622.65
  6. Step 6: Final answer
    x = 2,515.59

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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.