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Finding the Fourth Proportional to 3,068.97, 4,603.36 and 877.70

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Solution

The fourth proportional to 3,068.97, 4,603.36 and 877.70 is: 1,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.97 : 4,603.36 = 877.70 : x
  2. Step 2: Convert to fraction form
    3,068.97/4,603.36 = 877.70/x
  3. Step 3: Cross multiply
    3,068.97x = 4,603.36 × 877.70
  4. Step 4: Simplify right side
    3,068.97x = 4,040,369.07
  5. Step 5: Solve for x
    x = 4,040,369.07/3,068.97
  6. Step 6: Final answer
    x = 1,316.52

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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.