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Finding the Fourth Proportional to 3,068.34, 4,602.66 and 877.39

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Solution

The fourth proportional to 3,068.34, 4,602.66 and 877.39 is: 1,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.34 : 4,602.66 = 877.39 : x
  2. Step 2: Convert to fraction form
    3,068.34/4,602.66 = 877.39/x
  3. Step 3: Cross multiply
    3,068.34x = 4,602.66 × 877.39
  4. Step 4: Simplify right side
    3,068.34x = 4,038,336.90
  5. Step 5: Solve for x
    x = 4,038,336.90/3,068.34
  6. Step 6: Final answer
    x = 1,316.13

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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.