Home / 3,572.47-4,930.26-2,156.50

Finding the Fourth Proportional to 3,572.47, 4,930.26 and 2,156.50

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Solution

The fourth proportional to 3,572.47, 4,930.26 and 2,156.50 is: 2,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.47 : 4,930.26 = 2,156.50 : x
  2. Step 2: Convert to fraction form
    3,572.47/4,930.26 = 2,156.50/x
  3. Step 3: Cross multiply
    3,572.47x = 4,930.26 × 2,156.50
  4. Step 4: Simplify right side
    3,572.47x = 10,632,101.45
  5. Step 5: Solve for x
    x = 10,632,101.45/3,572.47
  6. Step 6: Final answer
    x = 2,976.12

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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.