Home / 3,458.40-5,186.76-2,534.40

Finding the Fourth Proportional to 3,458.40, 5,186.76 and 2,534.40

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Solution

The fourth proportional to 3,458.40, 5,186.76 and 2,534.40 is: 3,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.40 : 5,186.76 = 2,534.40 : x
  2. Step 2: Convert to fraction form
    3,458.40/5,186.76 = 2,534.40/x
  3. Step 3: Cross multiply
    3,458.40x = 5,186.76 × 2,534.40
  4. Step 4: Simplify right side
    3,458.40x = 13,145,324.54
  5. Step 5: Solve for x
    x = 13,145,324.54/3,458.40
  6. Step 6: Final answer
    x = 3,800.98

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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.