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Finding the Fourth Proportional to 1,795.38, 2,689.38 and 1,590.48

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Solution

The fourth proportional to 1,795.38, 2,689.38 and 1,590.48 is: 2,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.38 : 2,689.38 = 1,590.48 : x
  2. Step 2: Convert to fraction form
    1,795.38/2,689.38 = 1,590.48/x
  3. Step 3: Cross multiply
    1,795.38x = 2,689.38 × 1,590.48
  4. Step 4: Simplify right side
    1,795.38x = 4,277,405.10
  5. Step 5: Solve for x
    x = 4,277,405.10/1,795.38
  6. Step 6: Final answer
    x = 2,382.45

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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.