Home / 2,674.54-4,012.13-1,115.59

Finding the Fourth Proportional to 2,674.54, 4,012.13 and 1,115.59

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Solution

The fourth proportional to 2,674.54, 4,012.13 and 1,115.59 is: 1,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.54 : 4,012.13 = 1,115.59 : x
  2. Step 2: Convert to fraction form
    2,674.54/4,012.13 = 1,115.59/x
  3. Step 3: Cross multiply
    2,674.54x = 4,012.13 × 1,115.59
  4. Step 4: Simplify right side
    2,674.54x = 4,475,892.11
  5. Step 5: Solve for x
    x = 4,475,892.11/2,674.54
  6. Step 6: Final answer
    x = 1,673.52

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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.