Home / 3,616.37-5,415.03-2,909.77

Finding the Fourth Proportional to 3,616.37, 5,415.03 and 2,909.77

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Solution

The fourth proportional to 3,616.37, 5,415.03 and 2,909.77 is: 4,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.37 : 5,415.03 = 2,909.77 : x
  2. Step 2: Convert to fraction form
    3,616.37/5,415.03 = 2,909.77/x
  3. Step 3: Cross multiply
    3,616.37x = 5,415.03 × 2,909.77
  4. Step 4: Simplify right side
    3,616.37x = 15,756,500.58
  5. Step 5: Solve for x
    x = 15,756,500.58/3,616.37
  6. Step 6: Final answer
    x = 4,356.99

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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.