Home / 2,807.53-4,178.14-2,714.09

Finding the Fourth Proportional to 2,807.53, 4,178.14 and 2,714.09

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Solution

The fourth proportional to 2,807.53, 4,178.14 and 2,714.09 is: 4,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.53 : 4,178.14 = 2,714.09 : x
  2. Step 2: Convert to fraction form
    2,807.53/4,178.14 = 2,714.09/x
  3. Step 3: Cross multiply
    2,807.53x = 4,178.14 × 2,714.09
  4. Step 4: Simplify right side
    2,807.53x = 11,339,851.65
  5. Step 5: Solve for x
    x = 11,339,851.65/2,807.53
  6. Step 6: Final answer
    x = 4,039.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.