Home / 3,104.48-4,656.84-913.16

Finding the Fourth Proportional to 3,104.48, 4,656.84 and 913.16

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Solution

The fourth proportional to 3,104.48, 4,656.84 and 913.16 is: 1,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.48 : 4,656.84 = 913.16 : x
  2. Step 2: Convert to fraction form
    3,104.48/4,656.84 = 913.16/x
  3. Step 3: Cross multiply
    3,104.48x = 4,656.84 × 913.16
  4. Step 4: Simplify right side
    3,104.48x = 4,252,440.01
  5. Step 5: Solve for x
    x = 4,252,440.01/3,104.48
  6. Step 6: Final answer
    x = 1,369.78

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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.