Home / 1,923.03-2,876.13-1,782.90

Finding the Fourth Proportional to 1,923.03, 2,876.13 and 1,782.90

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Solution

The fourth proportional to 1,923.03, 2,876.13 and 1,782.90 is: 2,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.03 : 2,876.13 = 1,782.90 : x
  2. Step 2: Convert to fraction form
    1,923.03/2,876.13 = 1,782.90/x
  3. Step 3: Cross multiply
    1,923.03x = 2,876.13 × 1,782.90
  4. Step 4: Simplify right side
    1,923.03x = 5,127,852.18
  5. Step 5: Solve for x
    x = 5,127,852.18/1,923.03
  6. Step 6: Final answer
    x = 2,666.55

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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.