Home / 1,651.40-2,282.82-1,323.08

Finding the Fourth Proportional to 1,651.40, 2,282.82 and 1,323.08

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Solution

The fourth proportional to 1,651.40, 2,282.82 and 1,323.08 is: 1,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.40 : 2,282.82 = 1,323.08 : x
  2. Step 2: Convert to fraction form
    1,651.40/2,282.82 = 1,323.08/x
  3. Step 3: Cross multiply
    1,651.40x = 2,282.82 × 1,323.08
  4. Step 4: Simplify right side
    1,651.40x = 3,020,353.49
  5. Step 5: Solve for x
    x = 3,020,353.49/1,651.40
  6. Step 6: Final answer
    x = 1,828.97

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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.