Home / 2,633.80-3,946.56-1,400.88

Finding the Fourth Proportional to 2,633.80, 3,946.56 and 1,400.88

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Solution

The fourth proportional to 2,633.80, 3,946.56 and 1,400.88 is: 2,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.80 : 3,946.56 = 1,400.88 : x
  2. Step 2: Convert to fraction form
    2,633.80/3,946.56 = 1,400.88/x
  3. Step 3: Cross multiply
    2,633.80x = 3,946.56 × 1,400.88
  4. Step 4: Simplify right side
    2,633.80x = 5,528,656.97
  5. Step 5: Solve for x
    x = 5,528,656.97/2,633.80
  6. Step 6: Final answer
    x = 2,099.12

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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.