Home / 2,505.28-3,756.28-1,205.52

Finding the Fourth Proportional to 2,505.28, 3,756.28 and 1,205.52

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Solution

The fourth proportional to 2,505.28, 3,756.28 and 1,205.52 is: 1,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.28 : 3,756.28 = 1,205.52 : x
  2. Step 2: Convert to fraction form
    2,505.28/3,756.28 = 1,205.52/x
  3. Step 3: Cross multiply
    2,505.28x = 3,756.28 × 1,205.52
  4. Step 4: Simplify right side
    2,505.28x = 4,528,270.67
  5. Step 5: Solve for x
    x = 4,528,270.67/2,505.28
  6. Step 6: Final answer
    x = 1,807.49

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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.