Home / 1,829.77-2,740.03-1,211.60

Finding the Fourth Proportional to 1,829.77, 2,740.03 and 1,211.60

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Solution

The fourth proportional to 1,829.77, 2,740.03 and 1,211.60 is: 1,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.77 : 2,740.03 = 1,211.60 : x
  2. Step 2: Convert to fraction form
    1,829.77/2,740.03 = 1,211.60/x
  3. Step 3: Cross multiply
    1,829.77x = 2,740.03 × 1,211.60
  4. Step 4: Simplify right side
    1,829.77x = 3,319,824.17
  5. Step 5: Solve for x
    x = 3,319,824.17/1,829.77
  6. Step 6: Final answer
    x = 1,814.34

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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.