Home / 3,380.08-4,674.88-3,030.64

Finding the Fourth Proportional to 3,380.08, 4,674.88 and 3,030.64

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Solution

The fourth proportional to 3,380.08, 4,674.88 and 3,030.64 is: 4,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.08 : 4,674.88 = 3,030.64 : x
  2. Step 2: Convert to fraction form
    3,380.08/4,674.88 = 3,030.64/x
  3. Step 3: Cross multiply
    3,380.08x = 4,674.88 × 3,030.64
  4. Step 4: Simplify right side
    3,380.08x = 14,167,878.32
  5. Step 5: Solve for x
    x = 14,167,878.32/3,380.08
  6. Step 6: Final answer
    x = 4,191.58

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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.