Home / 3,572-4,929.54-2,174.84

Finding the Fourth Proportional to 3,572, 4,929.54 and 2,174.84

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Solution

The fourth proportional to 3,572, 4,929.54 and 2,174.84 is: 3,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572 : 4,929.54 = 2,174.84 : x
  2. Step 2: Convert to fraction form
    3,572/4,929.54 = 2,174.84/x
  3. Step 3: Cross multiply
    3,572x = 4,929.54 × 2,174.84
  4. Step 4: Simplify right side
    3,572x = 10,720,960.77
  5. Step 5: Solve for x
    x = 10,720,960.77/3,572
  6. Step 6: Final answer
    x = 3,001.39

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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.