Home / 1,784.74-2,677.11-1,172.32

Finding the Fourth Proportional to 1,784.74, 2,677.11 and 1,172.32

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Solution

The fourth proportional to 1,784.74, 2,677.11 and 1,172.32 is: 1,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.74 : 2,677.11 = 1,172.32 : x
  2. Step 2: Convert to fraction form
    1,784.74/2,677.11 = 1,172.32/x
  3. Step 3: Cross multiply
    1,784.74x = 2,677.11 × 1,172.32
  4. Step 4: Simplify right side
    1,784.74x = 3,138,429.60
  5. Step 5: Solve for x
    x = 3,138,429.60/1,784.74
  6. Step 6: Final answer
    x = 1,758.48

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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.