Home / 3,154.08-4,739.76-2,975.16

Finding the Fourth Proportional to 3,154.08, 4,739.76 and 2,975.16

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Solution

The fourth proportional to 3,154.08, 4,739.76 and 2,975.16 is: 4,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.08 : 4,739.76 = 2,975.16 : x
  2. Step 2: Convert to fraction form
    3,154.08/4,739.76 = 2,975.16/x
  3. Step 3: Cross multiply
    3,154.08x = 4,739.76 × 2,975.16
  4. Step 4: Simplify right side
    3,154.08x = 14,101,544.36
  5. Step 5: Solve for x
    x = 14,101,544.36/3,154.08
  6. Step 6: Final answer
    x = 4,470.89

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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.