Home / 1,507.45-2,080.40-844.27

Finding the Fourth Proportional to 1,507.45, 2,080.40 and 844.27

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Solution

The fourth proportional to 1,507.45, 2,080.40 and 844.27 is: 1,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.45 : 2,080.40 = 844.27 : x
  2. Step 2: Convert to fraction form
    1,507.45/2,080.40 = 844.27/x
  3. Step 3: Cross multiply
    1,507.45x = 2,080.40 × 844.27
  4. Step 4: Simplify right side
    1,507.45x = 1,756,419.31
  5. Step 5: Solve for x
    x = 1,756,419.31/1,507.45
  6. Step 6: Final answer
    x = 1,165.16

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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.