Home / 3,633.18-5,447.34-1,684.32

Finding the Fourth Proportional to 3,633.18, 5,447.34 and 1,684.32

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Solution

The fourth proportional to 3,633.18, 5,447.34 and 1,684.32 is: 2,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.18 : 5,447.34 = 1,684.32 : x
  2. Step 2: Convert to fraction form
    3,633.18/5,447.34 = 1,684.32/x
  3. Step 3: Cross multiply
    3,633.18x = 5,447.34 × 1,684.32
  4. Step 4: Simplify right side
    3,633.18x = 9,175,063.71
  5. Step 5: Solve for x
    x = 9,175,063.71/3,633.18
  6. Step 6: Final answer
    x = 2,525.35

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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.