Home / 2,772.51-4,157.55-1,039.92

Finding the Fourth Proportional to 2,772.51, 4,157.55 and 1,039.92

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Solution

The fourth proportional to 2,772.51, 4,157.55 and 1,039.92 is: 1,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.51 : 4,157.55 = 1,039.92 : x
  2. Step 2: Convert to fraction form
    2,772.51/4,157.55 = 1,039.92/x
  3. Step 3: Cross multiply
    2,772.51x = 4,157.55 × 1,039.92
  4. Step 4: Simplify right side
    2,772.51x = 4,323,519.40
  5. Step 5: Solve for x
    x = 4,323,519.40/2,772.51
  6. Step 6: Final answer
    x = 1,559.42

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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.