Home / 3,646.22-5,471.35-1,455.06

Finding the Fourth Proportional to 3,646.22, 5,471.35 and 1,455.06

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Solution

The fourth proportional to 3,646.22, 5,471.35 and 1,455.06 is: 2,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.22 : 5,471.35 = 1,455.06 : x
  2. Step 2: Convert to fraction form
    3,646.22/5,471.35 = 1,455.06/x
  3. Step 3: Cross multiply
    3,646.22x = 5,471.35 × 1,455.06
  4. Step 4: Simplify right side
    3,646.22x = 7,961,159.41
  5. Step 5: Solve for x
    x = 7,961,159.41/3,646.22
  6. Step 6: Final answer
    x = 2,183.40

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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.