Home / 3,153.03-4,732.07-1,421.79

Finding the Fourth Proportional to 3,153.03, 4,732.07 and 1,421.79

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Solution

The fourth proportional to 3,153.03, 4,732.07 and 1,421.79 is: 2,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.03 : 4,732.07 = 1,421.79 : x
  2. Step 2: Convert to fraction form
    3,153.03/4,732.07 = 1,421.79/x
  3. Step 3: Cross multiply
    3,153.03x = 4,732.07 × 1,421.79
  4. Step 4: Simplify right side
    3,153.03x = 6,728,002.70
  5. Step 5: Solve for x
    x = 6,728,002.70/3,153.03
  6. Step 6: Final answer
    x = 2,133.82

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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.