Home / 3,154.21-4,731.35-1,305.32

Finding the Fourth Proportional to 3,154.21, 4,731.35 and 1,305.32

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Solution

The fourth proportional to 3,154.21, 4,731.35 and 1,305.32 is: 1,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.21 : 4,731.35 = 1,305.32 : x
  2. Step 2: Convert to fraction form
    3,154.21/4,731.35 = 1,305.32/x
  3. Step 3: Cross multiply
    3,154.21x = 4,731.35 × 1,305.32
  4. Step 4: Simplify right side
    3,154.21x = 6,175,895.60
  5. Step 5: Solve for x
    x = 6,175,895.60/3,154.21
  6. Step 6: Final answer
    x = 1,957.99

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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.