Home / 3,840.28-5,759.70-1,066.36

Finding the Fourth Proportional to 3,840.28, 5,759.70 and 1,066.36

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Solution

The fourth proportional to 3,840.28, 5,759.70 and 1,066.36 is: 1,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.28 : 5,759.70 = 1,066.36 : x
  2. Step 2: Convert to fraction form
    3,840.28/5,759.70 = 1,066.36/x
  3. Step 3: Cross multiply
    3,840.28x = 5,759.70 × 1,066.36
  4. Step 4: Simplify right side
    3,840.28x = 6,141,913.69
  5. Step 5: Solve for x
    x = 6,141,913.69/3,840.28
  6. Step 6: Final answer
    x = 1,599.34

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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.