Home / 2,895.57-3,995.01-1,636.47

Finding the Fourth Proportional to 2,895.57, 3,995.01 and 1,636.47

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Solution

The fourth proportional to 2,895.57, 3,995.01 and 1,636.47 is: 2,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.57 : 3,995.01 = 1,636.47 : x
  2. Step 2: Convert to fraction form
    2,895.57/3,995.01 = 1,636.47/x
  3. Step 3: Cross multiply
    2,895.57x = 3,995.01 × 1,636.47
  4. Step 4: Simplify right side
    2,895.57x = 6,537,714.01
  5. Step 5: Solve for x
    x = 6,537,714.01/2,895.57
  6. Step 6: Final answer
    x = 2,257.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.