Home / 2,718.60-4,080.30-2,329.80

Finding the Fourth Proportional to 2,718.60, 4,080.30 and 2,329.80

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Solution

The fourth proportional to 2,718.60, 4,080.30 and 2,329.80 is: 3,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.60 : 4,080.30 = 2,329.80 : x
  2. Step 2: Convert to fraction form
    2,718.60/4,080.30 = 2,329.80/x
  3. Step 3: Cross multiply
    2,718.60x = 4,080.30 × 2,329.80
  4. Step 4: Simplify right side
    2,718.60x = 9,506,282.94
  5. Step 5: Solve for x
    x = 9,506,282.94/2,718.60
  6. Step 6: Final answer
    x = 3,496.76

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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.