Home / 2,141.64-3,199.38-1,395.18

Finding the Fourth Proportional to 2,141.64, 3,199.38 and 1,395.18

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Solution

The fourth proportional to 2,141.64, 3,199.38 and 1,395.18 is: 2,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.64 : 3,199.38 = 1,395.18 : x
  2. Step 2: Convert to fraction form
    2,141.64/3,199.38 = 1,395.18/x
  3. Step 3: Cross multiply
    2,141.64x = 3,199.38 × 1,395.18
  4. Step 4: Simplify right side
    2,141.64x = 4,463,710.99
  5. Step 5: Solve for x
    x = 4,463,710.99/2,141.64
  6. Step 6: Final answer
    x = 2,084.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.