Home / 2,395.12-3,591.52-1,420.96

Finding the Fourth Proportional to 2,395.12, 3,591.52 and 1,420.96

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Solution

The fourth proportional to 2,395.12, 3,591.52 and 1,420.96 is: 2,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.12 : 3,591.52 = 1,420.96 : x
  2. Step 2: Convert to fraction form
    2,395.12/3,591.52 = 1,420.96/x
  3. Step 3: Cross multiply
    2,395.12x = 3,591.52 × 1,420.96
  4. Step 4: Simplify right side
    2,395.12x = 5,103,406.26
  5. Step 5: Solve for x
    x = 5,103,406.26/2,395.12
  6. Step 6: Final answer
    x = 2,130.75

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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.