Home / 3,742.30-5,164.91-2,415.76

Finding the Fourth Proportional to 3,742.30, 5,164.91 and 2,415.76

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Solution

The fourth proportional to 3,742.30, 5,164.91 and 2,415.76 is: 3,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.30 : 5,164.91 = 2,415.76 : x
  2. Step 2: Convert to fraction form
    3,742.30/5,164.91 = 2,415.76/x
  3. Step 3: Cross multiply
    3,742.30x = 5,164.91 × 2,415.76
  4. Step 4: Simplify right side
    3,742.30x = 12,477,182.98
  5. Step 5: Solve for x
    x = 12,477,182.98/3,742.30
  6. Step 6: Final answer
    x = 3,334.09

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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.