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Finding the Fourth Proportional to 3,069.51, 4,602.84 and 877.73

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Solution

The fourth proportional to 3,069.51, 4,602.84 and 877.73 is: 1,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.51 : 4,602.84 = 877.73 : x
  2. Step 2: Convert to fraction form
    3,069.51/4,602.84 = 877.73/x
  3. Step 3: Cross multiply
    3,069.51x = 4,602.84 × 877.73
  4. Step 4: Simplify right side
    3,069.51x = 4,040,027.74
  5. Step 5: Solve for x
    x = 4,040,027.74/3,069.51
  6. Step 6: Final answer
    x = 1,316.18

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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.