Home / 1,619.03-2,426.87-887.06

Finding the Fourth Proportional to 1,619.03, 2,426.87 and 887.06

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Solution

The fourth proportional to 1,619.03, 2,426.87 and 887.06 is: 1,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.03 : 2,426.87 = 887.06 : x
  2. Step 2: Convert to fraction form
    1,619.03/2,426.87 = 887.06/x
  3. Step 3: Cross multiply
    1,619.03x = 2,426.87 × 887.06
  4. Step 4: Simplify right side
    1,619.03x = 2,152,787.59
  5. Step 5: Solve for x
    x = 2,152,787.59/1,619.03
  6. Step 6: Final answer
    x = 1,329.68

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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.