Home / 1,531.68-2,297.52-1,320.27

Finding the Fourth Proportional to 1,531.68, 2,297.52 and 1,320.27

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Solution

The fourth proportional to 1,531.68, 2,297.52 and 1,320.27 is: 1,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.68 : 2,297.52 = 1,320.27 : x
  2. Step 2: Convert to fraction form
    1,531.68/2,297.52 = 1,320.27/x
  3. Step 3: Cross multiply
    1,531.68x = 2,297.52 × 1,320.27
  4. Step 4: Simplify right side
    1,531.68x = 3,033,346.73
  5. Step 5: Solve for x
    x = 3,033,346.73/1,531.68
  6. Step 6: Final answer
    x = 1,980.41

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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.