Home / 2,692.14-3,715.50-1,513.21

Finding the Fourth Proportional to 2,692.14, 3,715.50 and 1,513.21

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Solution

The fourth proportional to 2,692.14, 3,715.50 and 1,513.21 is: 2,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.14 : 3,715.50 = 1,513.21 : x
  2. Step 2: Convert to fraction form
    2,692.14/3,715.50 = 1,513.21/x
  3. Step 3: Cross multiply
    2,692.14x = 3,715.50 × 1,513.21
  4. Step 4: Simplify right side
    2,692.14x = 5,622,331.76
  5. Step 5: Solve for x
    x = 5,622,331.76/2,692.14
  6. Step 6: Final answer
    x = 2,088.42

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1.5x scale

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.