Home / 3,742.68-5,157.90-2,692.92

Finding the Fourth Proportional to 3,742.68, 5,157.90 and 2,692.92

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Solution

The fourth proportional to 3,742.68, 5,157.90 and 2,692.92 is: 3,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.68 : 5,157.90 = 2,692.92 : x
  2. Step 2: Convert to fraction form
    3,742.68/5,157.90 = 2,692.92/x
  3. Step 3: Cross multiply
    3,742.68x = 5,157.90 × 2,692.92
  4. Step 4: Simplify right side
    3,742.68x = 13,889,812.07
  5. Step 5: Solve for x
    x = 13,889,812.07/3,742.68
  6. Step 6: Final answer
    x = 3,711.19

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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.