Home / 3,025.76-4,538.63-1,381.86

Finding the Fourth Proportional to 3,025.76, 4,538.63 and 1,381.86

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Solution

The fourth proportional to 3,025.76, 4,538.63 and 1,381.86 is: 2,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.76 : 4,538.63 = 1,381.86 : x
  2. Step 2: Convert to fraction form
    3,025.76/4,538.63 = 1,381.86/x
  3. Step 3: Cross multiply
    3,025.76x = 4,538.63 × 1,381.86
  4. Step 4: Simplify right side
    3,025.76x = 6,271,754.71
  5. Step 5: Solve for x
    x = 6,271,754.71/3,025.76
  6. Step 6: Final answer
    x = 2,072.79

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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.