Home / 2,346.68-3,238.43-1,284.55

Finding the Fourth Proportional to 2,346.68, 3,238.43 and 1,284.55

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Solution

The fourth proportional to 2,346.68, 3,238.43 and 1,284.55 is: 1,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.68 : 3,238.43 = 1,284.55 : x
  2. Step 2: Convert to fraction form
    2,346.68/3,238.43 = 1,284.55/x
  3. Step 3: Cross multiply
    2,346.68x = 3,238.43 × 1,284.55
  4. Step 4: Simplify right side
    2,346.68x = 4,159,910.74
  5. Step 5: Solve for x
    x = 4,159,910.74/2,346.68
  6. Step 6: Final answer
    x = 1,772.68

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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.