Home / 1,314.12-1,967.94-1,057.08

Finding the Fourth Proportional to 1,314.12, 1,967.94 and 1,057.08

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Solution

The fourth proportional to 1,314.12, 1,967.94 and 1,057.08 is: 1,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.12 : 1,967.94 = 1,057.08 : x
  2. Step 2: Convert to fraction form
    1,314.12/1,967.94 = 1,057.08/x
  3. Step 3: Cross multiply
    1,314.12x = 1,967.94 × 1,057.08
  4. Step 4: Simplify right side
    1,314.12x = 2,080,270.02
  5. Step 5: Solve for x
    x = 2,080,270.02/1,314.12
  6. Step 6: Final answer
    x = 1,583.01

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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.