Home / 3,982.23-5,495.45-2,490.95

Finding the Fourth Proportional to 3,982.23, 5,495.45 and 2,490.95

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Solution

The fourth proportional to 3,982.23, 5,495.45 and 2,490.95 is: 3,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.23 : 5,495.45 = 2,490.95 : x
  2. Step 2: Convert to fraction form
    3,982.23/5,495.45 = 2,490.95/x
  3. Step 3: Cross multiply
    3,982.23x = 5,495.45 × 2,490.95
  4. Step 4: Simplify right side
    3,982.23x = 13,688,892.46
  5. Step 5: Solve for x
    x = 13,688,892.46/3,982.23
  6. Step 6: Final answer
    x = 3,437.49

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1.5x scale

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.