Home / 1,777.28-2,664.64-1,007.36

Finding the Fourth Proportional to 1,777.28, 2,664.64 and 1,007.36

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Solution

The fourth proportional to 1,777.28, 2,664.64 and 1,007.36 is: 1,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.28 : 2,664.64 = 1,007.36 : x
  2. Step 2: Convert to fraction form
    1,777.28/2,664.64 = 1,007.36/x
  3. Step 3: Cross multiply
    1,777.28x = 2,664.64 × 1,007.36
  4. Step 4: Simplify right side
    1,777.28x = 2,684,251.75
  5. Step 5: Solve for x
    x = 2,684,251.75/1,777.28
  6. Step 6: Final answer
    x = 1,510.31

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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.