Home / 3,116.67-4,671.36-1,266.63

Finding the Fourth Proportional to 3,116.67, 4,671.36 and 1,266.63

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Solution

The fourth proportional to 3,116.67, 4,671.36 and 1,266.63 is: 1,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.67 : 4,671.36 = 1,266.63 : x
  2. Step 2: Convert to fraction form
    3,116.67/4,671.36 = 1,266.63/x
  3. Step 3: Cross multiply
    3,116.67x = 4,671.36 × 1,266.63
  4. Step 4: Simplify right side
    3,116.67x = 5,916,884.72
  5. Step 5: Solve for x
    x = 5,916,884.72/3,116.67
  6. Step 6: Final answer
    x = 1,898.46

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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.