Home / 1,813.19-2,716.58-1,588.31

Finding the Fourth Proportional to 1,813.19, 2,716.58 and 1,588.31

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Solution

The fourth proportional to 1,813.19, 2,716.58 and 1,588.31 is: 2,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.19 : 2,716.58 = 1,588.31 : x
  2. Step 2: Convert to fraction form
    1,813.19/2,716.58 = 1,588.31/x
  3. Step 3: Cross multiply
    1,813.19x = 2,716.58 × 1,588.31
  4. Step 4: Simplify right side
    1,813.19x = 4,314,787.04
  5. Step 5: Solve for x
    x = 4,314,787.04/1,813.19
  6. Step 6: Final answer
    x = 2,379.67

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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.