Home / 3,591.09-5,387.56-1,400.45

Finding the Fourth Proportional to 3,591.09, 5,387.56 and 1,400.45

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Solution

The fourth proportional to 3,591.09, 5,387.56 and 1,400.45 is: 2,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.09 : 5,387.56 = 1,400.45 : x
  2. Step 2: Convert to fraction form
    3,591.09/5,387.56 = 1,400.45/x
  3. Step 3: Cross multiply
    3,591.09x = 5,387.56 × 1,400.45
  4. Step 4: Simplify right side
    3,591.09x = 7,544,977.96
  5. Step 5: Solve for x
    x = 7,544,977.96/3,591.09
  6. Step 6: Final answer
    x = 2,101.03

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1.5x scale

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.