Home / 2,509.13-3,763.46-1,692.65

Finding the Fourth Proportional to 2,509.13, 3,763.46 and 1,692.65

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Solution

The fourth proportional to 2,509.13, 3,763.46 and 1,692.65 is: 2,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.13 : 3,763.46 = 1,692.65 : x
  2. Step 2: Convert to fraction form
    2,509.13/3,763.46 = 1,692.65/x
  3. Step 3: Cross multiply
    2,509.13x = 3,763.46 × 1,692.65
  4. Step 4: Simplify right side
    2,509.13x = 6,370,213.04
  5. Step 5: Solve for x
    x = 6,370,213.04/2,509.13
  6. Step 6: Final answer
    x = 2,538.82

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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.