Home / 2,555.07-3,824.64-1,968.55

Finding the Fourth Proportional to 2,555.07, 3,824.64 and 1,968.55

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Solution

The fourth proportional to 2,555.07, 3,824.64 and 1,968.55 is: 2,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.07 : 3,824.64 = 1,968.55 : x
  2. Step 2: Convert to fraction form
    2,555.07/3,824.64 = 1,968.55/x
  3. Step 3: Cross multiply
    2,555.07x = 3,824.64 × 1,968.55
  4. Step 4: Simplify right side
    2,555.07x = 7,528,995.07
  5. Step 5: Solve for x
    x = 7,528,995.07/2,555.07
  6. Step 6: Final answer
    x = 2,946.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.