Home / 3,740.28-5,156.78-2,559.30

Finding the Fourth Proportional to 3,740.28, 5,156.78 and 2,559.30

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Solution

The fourth proportional to 3,740.28, 5,156.78 and 2,559.30 is: 3,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.28 : 5,156.78 = 2,559.30 : x
  2. Step 2: Convert to fraction form
    3,740.28/5,156.78 = 2,559.30/x
  3. Step 3: Cross multiply
    3,740.28x = 5,156.78 × 2,559.30
  4. Step 4: Simplify right side
    3,740.28x = 13,197,734.26
  5. Step 5: Solve for x
    x = 13,197,734.26/3,740.28
  6. Step 6: Final answer
    x = 3,528.54

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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.