Home / 2,692.09-3,715.23-1,513.45

Finding the Fourth Proportional to 2,692.09, 3,715.23 and 1,513.45

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Solution

The fourth proportional to 2,692.09, 3,715.23 and 1,513.45 is: 2,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.09 : 3,715.23 = 1,513.45 : x
  2. Step 2: Convert to fraction form
    2,692.09/3,715.23 = 1,513.45/x
  3. Step 3: Cross multiply
    2,692.09x = 3,715.23 × 1,513.45
  4. Step 4: Simplify right side
    2,692.09x = 5,622,814.84
  5. Step 5: Solve for x
    x = 5,622,814.84/2,692.09
  6. Step 6: Final answer
    x = 2,088.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.