Home / 4,271.55-6,402.30-1,928.82

Finding the Fourth Proportional to 4,271.55, 6,402.30 and 1,928.82

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Solution

The fourth proportional to 4,271.55, 6,402.30 and 1,928.82 is: 2,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.55 : 6,402.30 = 1,928.82 : x
  2. Step 2: Convert to fraction form
    4,271.55/6,402.30 = 1,928.82/x
  3. Step 3: Cross multiply
    4,271.55x = 6,402.30 × 1,928.82
  4. Step 4: Simplify right side
    4,271.55x = 12,348,884.29
  5. Step 5: Solve for x
    x = 12,348,884.29/4,271.55
  6. Step 6: Final answer
    x = 2,890.96

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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.