Home / 3,317.28-4,975.04-1,125.92

Finding the Fourth Proportional to 3,317.28, 4,975.04 and 1,125.92

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Solution

The fourth proportional to 3,317.28, 4,975.04 and 1,125.92 is: 1,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.28 : 4,975.04 = 1,125.92 : x
  2. Step 2: Convert to fraction form
    3,317.28/4,975.04 = 1,125.92/x
  3. Step 3: Cross multiply
    3,317.28x = 4,975.04 × 1,125.92
  4. Step 4: Simplify right side
    3,317.28x = 5,601,497.04
  5. Step 5: Solve for x
    x = 5,601,497.04/3,317.28
  6. Step 6: Final answer
    x = 1,688.58

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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.