Home / 3,785.34-5,681.45-1,937.73

Finding the Fourth Proportional to 3,785.34, 5,681.45 and 1,937.73

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Solution

The fourth proportional to 3,785.34, 5,681.45 and 1,937.73 is: 2,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.34 : 5,681.45 = 1,937.73 : x
  2. Step 2: Convert to fraction form
    3,785.34/5,681.45 = 1,937.73/x
  3. Step 3: Cross multiply
    3,785.34x = 5,681.45 × 1,937.73
  4. Step 4: Simplify right side
    3,785.34x = 11,009,116.11
  5. Step 5: Solve for x
    x = 11,009,116.11/3,785.34
  6. Step 6: Final answer
    x = 2,908.36

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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.