Home / 3,539.89-4,887.58-2,480

Finding the Fourth Proportional to 3,539.89, 4,887.58 and 2,480

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Solution

The fourth proportional to 3,539.89, 4,887.58 and 2,480 is: 3,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.89 : 4,887.58 = 2,480 : x
  2. Step 2: Convert to fraction form
    3,539.89/4,887.58 = 2,480/x
  3. Step 3: Cross multiply
    3,539.89x = 4,887.58 × 2,480
  4. Step 4: Simplify right side
    3,539.89x = 12,121,186
  5. Step 5: Solve for x
    x = 12,121,186/3,539.89
  6. Step 6: Final answer
    x = 3,424.18

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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.