Home / 3,680.16-5,515.92-2,382.36

Finding the Fourth Proportional to 3,680.16, 5,515.92 and 2,382.36

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Solution

The fourth proportional to 3,680.16, 5,515.92 and 2,382.36 is: 3,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.16 : 5,515.92 = 2,382.36 : x
  2. Step 2: Convert to fraction form
    3,680.16/5,515.92 = 2,382.36/x
  3. Step 3: Cross multiply
    3,680.16x = 5,515.92 × 2,382.36
  4. Step 4: Simplify right side
    3,680.16x = 13,140,907.17
  5. Step 5: Solve for x
    x = 13,140,907.17/3,680.16
  6. Step 6: Final answer
    x = 3,570.74

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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.