Home / 3,685.09-5,086.08-2,358.74

Finding the Fourth Proportional to 3,685.09, 5,086.08 and 2,358.74

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Solution

The fourth proportional to 3,685.09, 5,086.08 and 2,358.74 is: 3,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.09 : 5,086.08 = 2,358.74 : x
  2. Step 2: Convert to fraction form
    3,685.09/5,086.08 = 2,358.74/x
  3. Step 3: Cross multiply
    3,685.09x = 5,086.08 × 2,358.74
  4. Step 4: Simplify right side
    3,685.09x = 11,996,753.05
  5. Step 5: Solve for x
    x = 11,996,753.05/3,685.09
  6. Step 6: Final answer
    x = 3,255.49

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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.