Home / 1,928.47-2,889.92-1,050.23

Finding the Fourth Proportional to 1,928.47, 2,889.92 and 1,050.23

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Solution

The fourth proportional to 1,928.47, 2,889.92 and 1,050.23 is: 1,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.47 : 2,889.92 = 1,050.23 : x
  2. Step 2: Convert to fraction form
    1,928.47/2,889.92 = 1,050.23/x
  3. Step 3: Cross multiply
    1,928.47x = 2,889.92 × 1,050.23
  4. Step 4: Simplify right side
    1,928.47x = 3,035,075.43
  5. Step 5: Solve for x
    x = 3,035,075.43/1,928.47
  6. Step 6: Final answer
    x = 1,573.83

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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.