Home / 1,838.02-2,757.10-539.50

Finding the Fourth Proportional to 1,838.02, 2,757.10 and 539.50

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Solution

The fourth proportional to 1,838.02, 2,757.10 and 539.50 is: 809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.02 : 2,757.10 = 539.50 : x
  2. Step 2: Convert to fraction form
    1,838.02/2,757.10 = 539.50/x
  3. Step 3: Cross multiply
    1,838.02x = 2,757.10 × 539.50
  4. Step 4: Simplify right side
    1,838.02x = 1,487,455.45
  5. Step 5: Solve for x
    x = 1,487,455.45/1,838.02
  6. Step 6: Final answer
    x = 809.27

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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.