Home / 3,156.12-4,732.74-1,513.44

Finding the Fourth Proportional to 3,156.12, 4,732.74 and 1,513.44

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Solution

The fourth proportional to 3,156.12, 4,732.74 and 1,513.44 is: 2,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.12 : 4,732.74 = 1,513.44 : x
  2. Step 2: Convert to fraction form
    3,156.12/4,732.74 = 1,513.44/x
  3. Step 3: Cross multiply
    3,156.12x = 4,732.74 × 1,513.44
  4. Step 4: Simplify right side
    3,156.12x = 7,162,718.03
  5. Step 5: Solve for x
    x = 7,162,718.03/3,156.12
  6. Step 6: Final answer
    x = 2,269.47

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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.