Home / 1,372.37-2,055.60-591.35

Finding the Fourth Proportional to 1,372.37, 2,055.60 and 591.35

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Solution

The fourth proportional to 1,372.37, 2,055.60 and 591.35 is: 885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.37 : 2,055.60 = 591.35 : x
  2. Step 2: Convert to fraction form
    1,372.37/2,055.60 = 591.35/x
  3. Step 3: Cross multiply
    1,372.37x = 2,055.60 × 591.35
  4. Step 4: Simplify right side
    1,372.37x = 1,215,568.78
  5. Step 5: Solve for x
    x = 1,215,568.78/1,372.37
  6. Step 6: Final answer
    x = 885.75

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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.