Home / 1,923.04-2,887.80-1,907.92

Finding the Fourth Proportional to 1,923.04, 2,887.80 and 1,907.92

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Solution

The fourth proportional to 1,923.04, 2,887.80 and 1,907.92 is: 2,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.04 : 2,887.80 = 1,907.92 : x
  2. Step 2: Convert to fraction form
    1,923.04/2,887.80 = 1,907.92/x
  3. Step 3: Cross multiply
    1,923.04x = 2,887.80 × 1,907.92
  4. Step 4: Simplify right side
    1,923.04x = 5,509,691.38
  5. Step 5: Solve for x
    x = 5,509,691.38/1,923.04
  6. Step 6: Final answer
    x = 2,865.09

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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.