Home / 3,164.34-4,747.53-1,521.01

Finding the Fourth Proportional to 3,164.34, 4,747.53 and 1,521.01

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Solution

The fourth proportional to 3,164.34, 4,747.53 and 1,521.01 is: 2,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.34 : 4,747.53 = 1,521.01 : x
  2. Step 2: Convert to fraction form
    3,164.34/4,747.53 = 1,521.01/x
  3. Step 3: Cross multiply
    3,164.34x = 4,747.53 × 1,521.01
  4. Step 4: Simplify right side
    3,164.34x = 7,221,040.61
  5. Step 5: Solve for x
    x = 7,221,040.61/3,164.34
  6. Step 6: Final answer
    x = 2,282.01

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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.