Home / 2,395.35-3,589.70-1,340.21

Finding the Fourth Proportional to 2,395.35, 3,589.70 and 1,340.21

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Solution

The fourth proportional to 2,395.35, 3,589.70 and 1,340.21 is: 2,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.35 : 3,589.70 = 1,340.21 : x
  2. Step 2: Convert to fraction form
    2,395.35/3,589.70 = 1,340.21/x
  3. Step 3: Cross multiply
    2,395.35x = 3,589.70 × 1,340.21
  4. Step 4: Simplify right side
    2,395.35x = 4,810,951.84
  5. Step 5: Solve for x
    x = 4,810,951.84/2,395.35
  6. Step 6: Final answer
    x = 2,008.45

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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.