Home / 2,629.37-3,943.64-1,575.77

Finding the Fourth Proportional to 2,629.37, 3,943.64 and 1,575.77

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Solution

The fourth proportional to 2,629.37, 3,943.64 and 1,575.77 is: 2,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.37 : 3,943.64 = 1,575.77 : x
  2. Step 2: Convert to fraction form
    2,629.37/3,943.64 = 1,575.77/x
  3. Step 3: Cross multiply
    2,629.37x = 3,943.64 × 1,575.77
  4. Step 4: Simplify right side
    2,629.37x = 6,214,242.01
  5. Step 5: Solve for x
    x = 6,214,242.01/2,629.37
  6. Step 6: Final answer
    x = 2,363.40

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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.