Home / 2,780.46-4,164.21-2,343.06

Finding the Fourth Proportional to 2,780.46, 4,164.21 and 2,343.06

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Solution

The fourth proportional to 2,780.46, 4,164.21 and 2,343.06 is: 3,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.46 : 4,164.21 = 2,343.06 : x
  2. Step 2: Convert to fraction form
    2,780.46/4,164.21 = 2,343.06/x
  3. Step 3: Cross multiply
    2,780.46x = 4,164.21 × 2,343.06
  4. Step 4: Simplify right side
    2,780.46x = 9,756,993.88
  5. Step 5: Solve for x
    x = 9,756,993.88/2,780.46
  6. Step 6: Final answer
    x = 3,509.13

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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.