Home / 1,671.63-2,304.44-1,172.72

Finding the Fourth Proportional to 1,671.63, 2,304.44 and 1,172.72

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Solution

The fourth proportional to 1,671.63, 2,304.44 and 1,172.72 is: 1,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.63 : 2,304.44 = 1,172.72 : x
  2. Step 2: Convert to fraction form
    1,671.63/2,304.44 = 1,172.72/x
  3. Step 3: Cross multiply
    1,671.63x = 2,304.44 × 1,172.72
  4. Step 4: Simplify right side
    1,671.63x = 2,702,445.49
  5. Step 5: Solve for x
    x = 2,702,445.49/1,671.63
  6. Step 6: Final answer
    x = 1,616.65

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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.