Home / 3,785.57-5,675.80-1,935.17

Finding the Fourth Proportional to 3,785.57, 5,675.80 and 1,935.17

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Solution

The fourth proportional to 3,785.57, 5,675.80 and 1,935.17 is: 2,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.57 : 5,675.80 = 1,935.17 : x
  2. Step 2: Convert to fraction form
    3,785.57/5,675.80 = 1,935.17/x
  3. Step 3: Cross multiply
    3,785.57x = 5,675.80 × 1,935.17
  4. Step 4: Simplify right side
    3,785.57x = 10,983,637.89
  5. Step 5: Solve for x
    x = 10,983,637.89/3,785.57
  6. Step 6: Final answer
    x = 2,901.45

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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.