Home / 1,776.18-2,664.58-801.75

Finding the Fourth Proportional to 1,776.18, 2,664.58 and 801.75

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Solution

The fourth proportional to 1,776.18, 2,664.58 and 801.75 is: 1,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.18 : 2,664.58 = 801.75 : x
  2. Step 2: Convert to fraction form
    1,776.18/2,664.58 = 801.75/x
  3. Step 3: Cross multiply
    1,776.18x = 2,664.58 × 801.75
  4. Step 4: Simplify right side
    1,776.18x = 2,136,327.02
  5. Step 5: Solve for x
    x = 2,136,327.02/1,776.18
  6. Step 6: Final answer
    x = 1,202.76

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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.