Home / 1,925.72-2,670.67-1,805.44

Finding the Fourth Proportional to 1,925.72, 2,670.67 and 1,805.44

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Solution

The fourth proportional to 1,925.72, 2,670.67 and 1,805.44 is: 2,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.72 : 2,670.67 = 1,805.44 : x
  2. Step 2: Convert to fraction form
    1,925.72/2,670.67 = 1,805.44/x
  3. Step 3: Cross multiply
    1,925.72x = 2,670.67 × 1,805.44
  4. Step 4: Simplify right side
    1,925.72x = 4,821,721.09
  5. Step 5: Solve for x
    x = 4,821,721.09/1,925.72
  6. Step 6: Final answer
    x = 2,503.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.