Home / 1,617.29-2,426.75-692.60

Finding the Fourth Proportional to 1,617.29, 2,426.75 and 692.60

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Solution

The fourth proportional to 1,617.29, 2,426.75 and 692.60 is: 1,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.29 : 2,426.75 = 692.60 : x
  2. Step 2: Convert to fraction form
    1,617.29/2,426.75 = 692.60/x
  3. Step 3: Cross multiply
    1,617.29x = 2,426.75 × 692.60
  4. Step 4: Simplify right side
    1,617.29x = 1,680,751.45
  5. Step 5: Solve for x
    x = 1,680,751.45/1,617.29
  6. Step 6: Final answer
    x = 1,039.24

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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.