Home / 1,976.31-2,962.85-1,590.75

Finding the Fourth Proportional to 1,976.31, 2,962.85 and 1,590.75

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Solution

The fourth proportional to 1,976.31, 2,962.85 and 1,590.75 is: 2,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.31 : 2,962.85 = 1,590.75 : x
  2. Step 2: Convert to fraction form
    1,976.31/2,962.85 = 1,590.75/x
  3. Step 3: Cross multiply
    1,976.31x = 2,962.85 × 1,590.75
  4. Step 4: Simplify right side
    1,976.31x = 4,713,145.68
  5. Step 5: Solve for x
    x = 4,713,145.68/1,976.31
  6. Step 6: Final answer
    x = 2,384.82

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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.