Home / 2,149.32-2,964.06-1,361.96

Finding the Fourth Proportional to 2,149.32, 2,964.06 and 1,361.96

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Solution

The fourth proportional to 2,149.32, 2,964.06 and 1,361.96 is: 1,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.32 : 2,964.06 = 1,361.96 : x
  2. Step 2: Convert to fraction form
    2,149.32/2,964.06 = 1,361.96/x
  3. Step 3: Cross multiply
    2,149.32x = 2,964.06 × 1,361.96
  4. Step 4: Simplify right side
    2,149.32x = 4,036,931.16
  5. Step 5: Solve for x
    x = 4,036,931.16/2,149.32
  6. Step 6: Final answer
    x = 1,878.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.