Home / 3,651.70-5,477.58-1,054.72

Finding the Fourth Proportional to 3,651.70, 5,477.58 and 1,054.72

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Solution

The fourth proportional to 3,651.70, 5,477.58 and 1,054.72 is: 1,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.70 : 5,477.58 = 1,054.72 : x
  2. Step 2: Convert to fraction form
    3,651.70/5,477.58 = 1,054.72/x
  3. Step 3: Cross multiply
    3,651.70x = 5,477.58 × 1,054.72
  4. Step 4: Simplify right side
    3,651.70x = 5,777,313.18
  5. Step 5: Solve for x
    x = 5,777,313.18/3,651.70
  6. Step 6: Final answer
    x = 1,582.09

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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.