Home / 1,651.07-2,476.61-1,325.79

Finding the Fourth Proportional to 1,651.07, 2,476.61 and 1,325.79

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Solution

The fourth proportional to 1,651.07, 2,476.61 and 1,325.79 is: 1,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.07 : 2,476.61 = 1,325.79 : x
  2. Step 2: Convert to fraction form
    1,651.07/2,476.61 = 1,325.79/x
  3. Step 3: Cross multiply
    1,651.07x = 2,476.61 × 1,325.79
  4. Step 4: Simplify right side
    1,651.07x = 3,283,458.14
  5. Step 5: Solve for x
    x = 3,283,458.14/1,651.07
  6. Step 6: Final answer
    x = 1,988.69

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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.