Home / 3,647.87-5,477.27-2,089.63

Finding the Fourth Proportional to 3,647.87, 5,477.27 and 2,089.63

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Solution

The fourth proportional to 3,647.87, 5,477.27 and 2,089.63 is: 3,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.87 : 5,477.27 = 2,089.63 : x
  2. Step 2: Convert to fraction form
    3,647.87/5,477.27 = 2,089.63/x
  3. Step 3: Cross multiply
    3,647.87x = 5,477.27 × 2,089.63
  4. Step 4: Simplify right side
    3,647.87x = 11,445,475.86
  5. Step 5: Solve for x
    x = 11,445,475.86/3,647.87
  6. Step 6: Final answer
    x = 3,137.58

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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.