Home / 1,923.72-2,655.77-1,295.30

Finding the Fourth Proportional to 1,923.72, 2,655.77 and 1,295.30

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Solution

The fourth proportional to 1,923.72, 2,655.77 and 1,295.30 is: 1,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.72 : 2,655.77 = 1,295.30 : x
  2. Step 2: Convert to fraction form
    1,923.72/2,655.77 = 1,295.30/x
  3. Step 3: Cross multiply
    1,923.72x = 2,655.77 × 1,295.30
  4. Step 4: Simplify right side
    1,923.72x = 3,439,999.13
  5. Step 5: Solve for x
    x = 3,439,999.13/1,923.72
  6. Step 6: Final answer
    x = 1,788.20

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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.