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Finding the Fourth Proportional to 1,195.51, 1,793.63 and 807.07

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Solution

The fourth proportional to 1,195.51, 1,793.63 and 807.07 is: 1,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.51 : 1,793.63 = 807.07 : x
  2. Step 2: Convert to fraction form
    1,195.51/1,793.63 = 807.07/x
  3. Step 3: Cross multiply
    1,195.51x = 1,793.63 × 807.07
  4. Step 4: Simplify right side
    1,195.51x = 1,447,584.96
  5. Step 5: Solve for x
    x = 1,447,584.96/1,195.51
  6. Step 6: Final answer
    x = 1,210.85

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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.