Home / 4,080.14-5,631.39-2,402.99

Finding the Fourth Proportional to 4,080.14, 5,631.39 and 2,402.99

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Solution

The fourth proportional to 4,080.14, 5,631.39 and 2,402.99 is: 3,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.14 : 5,631.39 = 2,402.99 : x
  2. Step 2: Convert to fraction form
    4,080.14/5,631.39 = 2,402.99/x
  3. Step 3: Cross multiply
    4,080.14x = 5,631.39 × 2,402.99
  4. Step 4: Simplify right side
    4,080.14x = 13,532,145.70
  5. Step 5: Solve for x
    x = 13,532,145.70/4,080.14
  6. Step 6: Final answer
    x = 3,316.59

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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.