Home / 3,636.13-5,455.29-1,556.32

Finding the Fourth Proportional to 3,636.13, 5,455.29 and 1,556.32

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Solution

The fourth proportional to 3,636.13, 5,455.29 and 1,556.32 is: 2,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.13 : 5,455.29 = 1,556.32 : x
  2. Step 2: Convert to fraction form
    3,636.13/5,455.29 = 1,556.32/x
  3. Step 3: Cross multiply
    3,636.13x = 5,455.29 × 1,556.32
  4. Step 4: Simplify right side
    3,636.13x = 8,490,176.93
  5. Step 5: Solve for x
    x = 8,490,176.93/3,636.13
  6. Step 6: Final answer
    x = 2,334.95

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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.