Home / 3,462.08-4,775.15-2,135.30

Finding the Fourth Proportional to 3,462.08, 4,775.15 and 2,135.30

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Solution

The fourth proportional to 3,462.08, 4,775.15 and 2,135.30 is: 2,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.08 : 4,775.15 = 2,135.30 : x
  2. Step 2: Convert to fraction form
    3,462.08/4,775.15 = 2,135.30/x
  3. Step 3: Cross multiply
    3,462.08x = 4,775.15 × 2,135.30
  4. Step 4: Simplify right side
    3,462.08x = 10,196,359.26
  5. Step 5: Solve for x
    x = 10,196,359.26/3,462.08
  6. Step 6: Final answer
    x = 2,945.16

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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.