Home / 2,756.52-4,135.02-1,025.80

Finding the Fourth Proportional to 2,756.52, 4,135.02 and 1,025.80

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Solution

The fourth proportional to 2,756.52, 4,135.02 and 1,025.80 is: 1,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.52 : 4,135.02 = 1,025.80 : x
  2. Step 2: Convert to fraction form
    2,756.52/4,135.02 = 1,025.80/x
  3. Step 3: Cross multiply
    2,756.52x = 4,135.02 × 1,025.80
  4. Step 4: Simplify right side
    2,756.52x = 4,241,703.52
  5. Step 5: Solve for x
    x = 4,241,703.52/2,756.52
  6. Step 6: Final answer
    x = 1,538.79

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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.