Home / 2,564.40-3,844.80-1,003.80

Finding the Fourth Proportional to 2,564.40, 3,844.80 and 1,003.80

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Solution

The fourth proportional to 2,564.40, 3,844.80 and 1,003.80 is: 1,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.40 : 3,844.80 = 1,003.80 : x
  2. Step 2: Convert to fraction form
    2,564.40/3,844.80 = 1,003.80/x
  3. Step 3: Cross multiply
    2,564.40x = 3,844.80 × 1,003.80
  4. Step 4: Simplify right side
    2,564.40x = 3,859,410.24
  5. Step 5: Solve for x
    x = 3,859,410.24/2,564.40
  6. Step 6: Final answer
    x = 1,505.00

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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.