Home / 3,550.63-5,325.75-1,085.45

Finding the Fourth Proportional to 3,550.63, 5,325.75 and 1,085.45

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Solution

The fourth proportional to 3,550.63, 5,325.75 and 1,085.45 is: 1,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.63 : 5,325.75 = 1,085.45 : x
  2. Step 2: Convert to fraction form
    3,550.63/5,325.75 = 1,085.45/x
  3. Step 3: Cross multiply
    3,550.63x = 5,325.75 × 1,085.45
  4. Step 4: Simplify right side
    3,550.63x = 5,780,822.02
  5. Step 5: Solve for x
    x = 5,780,822.02/3,550.63
  6. Step 6: Final answer
    x = 1,628.11

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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.