Home / 2,688.98-4,035.62-2,477.30

Finding the Fourth Proportional to 2,688.98, 4,035.62 and 2,477.30

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Solution

The fourth proportional to 2,688.98, 4,035.62 and 2,477.30 is: 3,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.98 : 4,035.62 = 2,477.30 : x
  2. Step 2: Convert to fraction form
    2,688.98/4,035.62 = 2,477.30/x
  3. Step 3: Cross multiply
    2,688.98x = 4,035.62 × 2,477.30
  4. Step 4: Simplify right side
    2,688.98x = 9,997,427.44
  5. Step 5: Solve for x
    x = 9,997,427.44/2,688.98
  6. Step 6: Final answer
    x = 3,717.93

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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.