Home / 1,578.60-2,180.05-1,301.58

Finding the Fourth Proportional to 1,578.60, 2,180.05 and 1,301.58

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Solution

The fourth proportional to 1,578.60, 2,180.05 and 1,301.58 is: 1,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.60 : 2,180.05 = 1,301.58 : x
  2. Step 2: Convert to fraction form
    1,578.60/2,180.05 = 1,301.58/x
  3. Step 3: Cross multiply
    1,578.60x = 2,180.05 × 1,301.58
  4. Step 4: Simplify right side
    1,578.60x = 2,837,506.23
  5. Step 5: Solve for x
    x = 2,837,506.23/1,578.60
  6. Step 6: Final answer
    x = 1,797.48

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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.