Home / 3,742.12-5,160.54-3,300.40

Finding the Fourth Proportional to 3,742.12, 5,160.54 and 3,300.40

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Solution

The fourth proportional to 3,742.12, 5,160.54 and 3,300.40 is: 4,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.12 : 5,160.54 = 3,300.40 : x
  2. Step 2: Convert to fraction form
    3,742.12/5,160.54 = 3,300.40/x
  3. Step 3: Cross multiply
    3,742.12x = 5,160.54 × 3,300.40
  4. Step 4: Simplify right side
    3,742.12x = 17,031,846.22
  5. Step 5: Solve for x
    x = 17,031,846.22/3,742.12
  6. Step 6: Final answer
    x = 4,551.39

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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.