Home / 2,925.72-4,033.30-1,805.92

Finding the Fourth Proportional to 2,925.72, 4,033.30 and 1,805.92

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Solution

The fourth proportional to 2,925.72, 4,033.30 and 1,805.92 is: 2,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.72 : 4,033.30 = 1,805.92 : x
  2. Step 2: Convert to fraction form
    2,925.72/4,033.30 = 1,805.92/x
  3. Step 3: Cross multiply
    2,925.72x = 4,033.30 × 1,805.92
  4. Step 4: Simplify right side
    2,925.72x = 7,283,817.14
  5. Step 5: Solve for x
    x = 7,283,817.14/2,925.72
  6. Step 6: Final answer
    x = 2,489.58

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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.