Home / 3,184.40-4,763.10-2,857.70

Finding the Fourth Proportional to 3,184.40, 4,763.10 and 2,857.70

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Solution

The fourth proportional to 3,184.40, 4,763.10 and 2,857.70 is: 4,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.40 : 4,763.10 = 2,857.70 : x
  2. Step 2: Convert to fraction form
    3,184.40/4,763.10 = 2,857.70/x
  3. Step 3: Cross multiply
    3,184.40x = 4,763.10 × 2,857.70
  4. Step 4: Simplify right side
    3,184.40x = 13,611,510.87
  5. Step 5: Solve for x
    x = 13,611,510.87/3,184.40
  6. Step 6: Final answer
    x = 4,274.44

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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.