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Finding the Fourth Proportional to 1,890.59, 2,836.08 and 795.47

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Solution

The fourth proportional to 1,890.59, 2,836.08 and 795.47 is: 1,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.59 : 2,836.08 = 795.47 : x
  2. Step 2: Convert to fraction form
    1,890.59/2,836.08 = 795.47/x
  3. Step 3: Cross multiply
    1,890.59x = 2,836.08 × 795.47
  4. Step 4: Simplify right side
    1,890.59x = 2,256,002.38
  5. Step 5: Solve for x
    x = 2,256,002.38/1,890.59
  6. Step 6: Final answer
    x = 1,193.28

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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.