Home / 2,538.22-3,506.30-2,405.22

Finding the Fourth Proportional to 2,538.22, 3,506.30 and 2,405.22

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Solution

The fourth proportional to 2,538.22, 3,506.30 and 2,405.22 is: 3,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.22 : 3,506.30 = 2,405.22 : x
  2. Step 2: Convert to fraction form
    2,538.22/3,506.30 = 2,405.22/x
  3. Step 3: Cross multiply
    2,538.22x = 3,506.30 × 2,405.22
  4. Step 4: Simplify right side
    2,538.22x = 8,433,422.89
  5. Step 5: Solve for x
    x = 8,433,422.89/2,538.22
  6. Step 6: Final answer
    x = 3,322.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.