Home / 2,274.08-3,412.15-1,103.45

Finding the Fourth Proportional to 2,274.08, 3,412.15 and 1,103.45

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Solution

The fourth proportional to 2,274.08, 3,412.15 and 1,103.45 is: 1,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.08 : 3,412.15 = 1,103.45 : x
  2. Step 2: Convert to fraction form
    2,274.08/3,412.15 = 1,103.45/x
  3. Step 3: Cross multiply
    2,274.08x = 3,412.15 × 1,103.45
  4. Step 4: Simplify right side
    2,274.08x = 3,765,117.10
  5. Step 5: Solve for x
    x = 3,765,117.10/2,274.08
  6. Step 6: Final answer
    x = 1,655.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.