Home / 1,923.24-2,652.31-1,259.85

Finding the Fourth Proportional to 1,923.24, 2,652.31 and 1,259.85

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Solution

The fourth proportional to 1,923.24, 2,652.31 and 1,259.85 is: 1,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.24 : 2,652.31 = 1,259.85 : x
  2. Step 2: Convert to fraction form
    1,923.24/2,652.31 = 1,259.85/x
  3. Step 3: Cross multiply
    1,923.24x = 2,652.31 × 1,259.85
  4. Step 4: Simplify right side
    1,923.24x = 3,341,493.19
  5. Step 5: Solve for x
    x = 3,341,493.19/1,923.24
  6. Step 6: Final answer
    x = 1,737.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.