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Finding the Fourth Proportional to 2,323.08, 3,485.16 and 763.16

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Solution

The fourth proportional to 2,323.08, 3,485.16 and 763.16 is: 1,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.08 : 3,485.16 = 763.16 : x
  2. Step 2: Convert to fraction form
    2,323.08/3,485.16 = 763.16/x
  3. Step 3: Cross multiply
    2,323.08x = 3,485.16 × 763.16
  4. Step 4: Simplify right side
    2,323.08x = 2,659,717.28
  5. Step 5: Solve for x
    x = 2,659,717.28/2,323.08
  6. Step 6: Final answer
    x = 1,144.91

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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.