Home / 1,507.03-2,079.61-843.77

Finding the Fourth Proportional to 1,507.03, 2,079.61 and 843.77

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Solution

The fourth proportional to 1,507.03, 2,079.61 and 843.77 is: 1,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.03 : 2,079.61 = 843.77 : x
  2. Step 2: Convert to fraction form
    1,507.03/2,079.61 = 843.77/x
  3. Step 3: Cross multiply
    1,507.03x = 2,079.61 × 843.77
  4. Step 4: Simplify right side
    1,507.03x = 1,754,715.62
  5. Step 5: Solve for x
    x = 1,754,715.62/1,507.03
  6. Step 6: Final answer
    x = 1,164.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.