Home / 3,777.30-5,666.75-1,145.00

Finding the Fourth Proportional to 3,777.30, 5,666.75 and 1,145.00

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Solution

The fourth proportional to 3,777.30, 5,666.75 and 1,145.00 is: 1,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.30 : 5,666.75 = 1,145.00 : x
  2. Step 2: Convert to fraction form
    3,777.30/5,666.75 = 1,145.00/x
  3. Step 3: Cross multiply
    3,777.30x = 5,666.75 × 1,145.00
  4. Step 4: Simplify right side
    3,777.30x = 6,488,394.69
  5. Step 5: Solve for x
    x = 6,488,394.69/3,777.30
  6. Step 6: Final answer
    x = 1,717.73

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1.5x scale

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.