Home / 1,323.21-1,984.40-1,062.59

Finding the Fourth Proportional to 1,323.21, 1,984.40 and 1,062.59

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Solution

The fourth proportional to 1,323.21, 1,984.40 and 1,062.59 is: 1,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.21 : 1,984.40 = 1,062.59 : x
  2. Step 2: Convert to fraction form
    1,323.21/1,984.40 = 1,062.59/x
  3. Step 3: Cross multiply
    1,323.21x = 1,984.40 × 1,062.59
  4. Step 4: Simplify right side
    1,323.21x = 2,108,603.60
  5. Step 5: Solve for x
    x = 2,108,603.60/1,323.21
  6. Step 6: Final answer
    x = 1,593.55

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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.