Home / 2,936.72-4,045.44-2,515.70

Finding the Fourth Proportional to 2,936.72, 4,045.44 and 2,515.70

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Solution

The fourth proportional to 2,936.72, 4,045.44 and 2,515.70 is: 3,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.72 : 4,045.44 = 2,515.70 : x
  2. Step 2: Convert to fraction form
    2,936.72/4,045.44 = 2,515.70/x
  3. Step 3: Cross multiply
    2,936.72x = 4,045.44 × 2,515.70
  4. Step 4: Simplify right side
    2,936.72x = 10,177,113.41
  5. Step 5: Solve for x
    x = 10,177,113.41/2,936.72
  6. Step 6: Final answer
    x = 3,465.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.