Home / 3,110.40-4,672.08-2,465.64

Finding the Fourth Proportional to 3,110.40, 4,672.08 and 2,465.64

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Solution

The fourth proportional to 3,110.40, 4,672.08 and 2,465.64 is: 3,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.40 : 4,672.08 = 2,465.64 : x
  2. Step 2: Convert to fraction form
    3,110.40/4,672.08 = 2,465.64/x
  3. Step 3: Cross multiply
    3,110.40x = 4,672.08 × 2,465.64
  4. Step 4: Simplify right side
    3,110.40x = 11,519,667.33
  5. Step 5: Solve for x
    x = 11,519,667.33/3,110.40
  6. Step 6: Final answer
    x = 3,703.60

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1.5x scale

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.