Home / 3,373.65-4,656.69-2,116.80

Finding the Fourth Proportional to 3,373.65, 4,656.69 and 2,116.80

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Solution

The fourth proportional to 3,373.65, 4,656.69 and 2,116.80 is: 2,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.65 : 4,656.69 = 2,116.80 : x
  2. Step 2: Convert to fraction form
    3,373.65/4,656.69 = 2,116.80/x
  3. Step 3: Cross multiply
    3,373.65x = 4,656.69 × 2,116.80
  4. Step 4: Simplify right side
    3,373.65x = 9,857,281.39
  5. Step 5: Solve for x
    x = 9,857,281.39/3,373.65
  6. Step 6: Final answer
    x = 2,921.84

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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.