Home / 3,153.21-4,731.93-1,101.21

Finding the Fourth Proportional to 3,153.21, 4,731.93 and 1,101.21

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Solution

The fourth proportional to 3,153.21, 4,731.93 and 1,101.21 is: 1,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.21 : 4,731.93 = 1,101.21 : x
  2. Step 2: Convert to fraction form
    3,153.21/4,731.93 = 1,101.21/x
  3. Step 3: Cross multiply
    3,153.21x = 4,731.93 × 1,101.21
  4. Step 4: Simplify right side
    3,153.21x = 5,210,848.64
  5. Step 5: Solve for x
    x = 5,210,848.64/3,153.21
  6. Step 6: Final answer
    x = 1,652.55

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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.