Home / 2,975.12-4,455.92-2,560.96

Finding the Fourth Proportional to 2,975.12, 4,455.92 and 2,560.96

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Solution

The fourth proportional to 2,975.12, 4,455.92 and 2,560.96 is: 3,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.12 : 4,455.92 = 2,560.96 : x
  2. Step 2: Convert to fraction form
    2,975.12/4,455.92 = 2,560.96/x
  3. Step 3: Cross multiply
    2,975.12x = 4,455.92 × 2,560.96
  4. Step 4: Simplify right side
    2,975.12x = 11,411,432.88
  5. Step 5: Solve for x
    x = 11,411,432.88/2,975.12
  6. Step 6: Final answer
    x = 3,835.62

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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.