Home / 3,141.84-4,336.68-1,816.47

Finding the Fourth Proportional to 3,141.84, 4,336.68 and 1,816.47

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Solution

The fourth proportional to 3,141.84, 4,336.68 and 1,816.47 is: 2,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.84 : 4,336.68 = 1,816.47 : x
  2. Step 2: Convert to fraction form
    3,141.84/4,336.68 = 1,816.47/x
  3. Step 3: Cross multiply
    3,141.84x = 4,336.68 × 1,816.47
  4. Step 4: Simplify right side
    3,141.84x = 7,877,449.12
  5. Step 5: Solve for x
    x = 7,877,449.12/3,141.84
  6. Step 6: Final answer
    x = 2,507.27

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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.