Home / 2,688.24-4,035.60-1,599.60

Finding the Fourth Proportional to 2,688.24, 4,035.60 and 1,599.60

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Solution

The fourth proportional to 2,688.24, 4,035.60 and 1,599.60 is: 2,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.24 : 4,035.60 = 1,599.60 : x
  2. Step 2: Convert to fraction form
    2,688.24/4,035.60 = 1,599.60/x
  3. Step 3: Cross multiply
    2,688.24x = 4,035.60 × 1,599.60
  4. Step 4: Simplify right side
    2,688.24x = 6,455,345.76
  5. Step 5: Solve for x
    x = 6,455,345.76/2,688.24
  6. Step 6: Final answer
    x = 2,401.33

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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.