Home / 3,621.04-5,431.48-1,155.82

Finding the Fourth Proportional to 3,621.04, 5,431.48 and 1,155.82

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Solution

The fourth proportional to 3,621.04, 5,431.48 and 1,155.82 is: 1,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.04 : 5,431.48 = 1,155.82 : x
  2. Step 2: Convert to fraction form
    3,621.04/5,431.48 = 1,155.82/x
  3. Step 3: Cross multiply
    3,621.04x = 5,431.48 × 1,155.82
  4. Step 4: Simplify right side
    3,621.04x = 6,277,813.21
  5. Step 5: Solve for x
    x = 6,277,813.21/3,621.04
  6. Step 6: Final answer
    x = 1,733.70

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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.