Home / 2,515.98-3,763.18-1,814.78

Finding the Fourth Proportional to 2,515.98, 3,763.18 and 1,814.78

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Solution

The fourth proportional to 2,515.98, 3,763.18 and 1,814.78 is: 2,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.98 : 3,763.18 = 1,814.78 : x
  2. Step 2: Convert to fraction form
    2,515.98/3,763.18 = 1,814.78/x
  3. Step 3: Cross multiply
    2,515.98x = 3,763.18 × 1,814.78
  4. Step 4: Simplify right side
    2,515.98x = 6,829,343.80
  5. Step 5: Solve for x
    x = 6,829,343.80/2,515.98
  6. Step 6: Final answer
    x = 2,714.39

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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.