Home / 1,415.67-2,119.38-1,052.07

Finding the Fourth Proportional to 1,415.67, 2,119.38 and 1,052.07

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Solution

The fourth proportional to 1,415.67, 2,119.38 and 1,052.07 is: 1,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.67 : 2,119.38 = 1,052.07 : x
  2. Step 2: Convert to fraction form
    1,415.67/2,119.38 = 1,052.07/x
  3. Step 3: Cross multiply
    1,415.67x = 2,119.38 × 1,052.07
  4. Step 4: Simplify right side
    1,415.67x = 2,229,736.12
  5. Step 5: Solve for x
    x = 2,229,736.12/1,415.67
  6. Step 6: Final answer
    x = 1,575.04

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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.