Home / 3,099.08-4,647.69-1,637.44

Finding the Fourth Proportional to 3,099.08, 4,647.69 and 1,637.44

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Solution

The fourth proportional to 3,099.08, 4,647.69 and 1,637.44 is: 2,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.08 : 4,647.69 = 1,637.44 : x
  2. Step 2: Convert to fraction form
    3,099.08/4,647.69 = 1,637.44/x
  3. Step 3: Cross multiply
    3,099.08x = 4,647.69 × 1,637.44
  4. Step 4: Simplify right side
    3,099.08x = 7,610,313.51
  5. Step 5: Solve for x
    x = 7,610,313.51/3,099.08
  6. Step 6: Final answer
    x = 2,455.67

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1.5x scale

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.