Home / 3,505.41-4,838.14-2,161.47

Finding the Fourth Proportional to 3,505.41, 4,838.14 and 2,161.47

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Solution

The fourth proportional to 3,505.41, 4,838.14 and 2,161.47 is: 2,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.41 : 4,838.14 = 2,161.47 : x
  2. Step 2: Convert to fraction form
    3,505.41/4,838.14 = 2,161.47/x
  3. Step 3: Cross multiply
    3,505.41x = 4,838.14 × 2,161.47
  4. Step 4: Simplify right side
    3,505.41x = 10,457,494.47
  5. Step 5: Solve for x
    x = 10,457,494.47/3,505.41
  6. Step 6: Final answer
    x = 2,983.24

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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.