Home / 2,461.77-3,690.36-1,228.55

Finding the Fourth Proportional to 2,461.77, 3,690.36 and 1,228.55

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Solution

The fourth proportional to 2,461.77, 3,690.36 and 1,228.55 is: 1,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.77 : 3,690.36 = 1,228.55 : x
  2. Step 2: Convert to fraction form
    2,461.77/3,690.36 = 1,228.55/x
  3. Step 3: Cross multiply
    2,461.77x = 3,690.36 × 1,228.55
  4. Step 4: Simplify right side
    2,461.77x = 4,533,773.33
  5. Step 5: Solve for x
    x = 4,533,773.33/2,461.77
  6. Step 6: Final answer
    x = 1,841.67

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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.