Home / 2,225.80-3,335.73-1,129.06

Finding the Fourth Proportional to 2,225.80, 3,335.73 and 1,129.06

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Solution

The fourth proportional to 2,225.80, 3,335.73 and 1,129.06 is: 1,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.80 : 3,335.73 = 1,129.06 : x
  2. Step 2: Convert to fraction form
    2,225.80/3,335.73 = 1,129.06/x
  3. Step 3: Cross multiply
    2,225.80x = 3,335.73 × 1,129.06
  4. Step 4: Simplify right side
    2,225.80x = 3,766,239.31
  5. Step 5: Solve for x
    x = 3,766,239.31/2,225.80
  6. Step 6: Final answer
    x = 1,692.08

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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.