Home / 1,505.18-2,252.81-1,249.02

Finding the Fourth Proportional to 1,505.18, 2,252.81 and 1,249.02

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Solution

The fourth proportional to 1,505.18, 2,252.81 and 1,249.02 is: 1,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.18 : 2,252.81 = 1,249.02 : x
  2. Step 2: Convert to fraction form
    1,505.18/2,252.81 = 1,249.02/x
  3. Step 3: Cross multiply
    1,505.18x = 2,252.81 × 1,249.02
  4. Step 4: Simplify right side
    1,505.18x = 2,813,807.87
  5. Step 5: Solve for x
    x = 2,813,807.87/1,505.18
  6. Step 6: Final answer
    x = 1,869.41

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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.