Home / 3,681.55-5,080.25-2,088.21

Finding the Fourth Proportional to 3,681.55, 5,080.25 and 2,088.21

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Solution

The fourth proportional to 3,681.55, 5,080.25 and 2,088.21 is: 2,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.55 : 5,080.25 = 2,088.21 : x
  2. Step 2: Convert to fraction form
    3,681.55/5,080.25 = 2,088.21/x
  3. Step 3: Cross multiply
    3,681.55x = 5,080.25 × 2,088.21
  4. Step 4: Simplify right side
    3,681.55x = 10,608,653.12
  5. Step 5: Solve for x
    x = 10,608,653.12/3,681.55
  6. Step 6: Final answer
    x = 2,881.57

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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.