Home / 3,112.41-4,295.12-1,715.16

Finding the Fourth Proportional to 3,112.41, 4,295.12 and 1,715.16

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Solution

The fourth proportional to 3,112.41, 4,295.12 and 1,715.16 is: 2,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.41 : 4,295.12 = 1,715.16 : x
  2. Step 2: Convert to fraction form
    3,112.41/4,295.12 = 1,715.16/x
  3. Step 3: Cross multiply
    3,112.41x = 4,295.12 × 1,715.16
  4. Step 4: Simplify right side
    3,112.41x = 7,366,809.44
  5. Step 5: Solve for x
    x = 7,366,809.44/3,112.41
  6. Step 6: Final answer
    x = 2,366.91

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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.