Home / 4,280.48-5,905-3,021.76

Finding the Fourth Proportional to 4,280.48, 5,905 and 3,021.76

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Solution

The fourth proportional to 4,280.48, 5,905 and 3,021.76 is: 4,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.48 : 5,905 = 3,021.76 : x
  2. Step 2: Convert to fraction form
    4,280.48/5,905 = 3,021.76/x
  3. Step 3: Cross multiply
    4,280.48x = 5,905 × 3,021.76
  4. Step 4: Simplify right side
    4,280.48x = 17,843,492.80
  5. Step 5: Solve for x
    x = 17,843,492.80/4,280.48
  6. Step 6: Final answer
    x = 4,168.57

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