Home / 3,613.30-4,984.88-2,864.25

Finding the Fourth Proportional to 3,613.30, 4,984.88 and 2,864.25

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Solution

The fourth proportional to 3,613.30, 4,984.88 and 2,864.25 is: 3,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.30 : 4,984.88 = 2,864.25 : x
  2. Step 2: Convert to fraction form
    3,613.30/4,984.88 = 2,864.25/x
  3. Step 3: Cross multiply
    3,613.30x = 4,984.88 × 2,864.25
  4. Step 4: Simplify right side
    3,613.30x = 14,277,928.22
  5. Step 5: Solve for x
    x = 14,277,928.22/3,613.30
  6. Step 6: Final answer
    x = 3,951.50

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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.