Home / 3,713.81-5,565.69-1,371.60

Finding the Fourth Proportional to 3,713.81, 5,565.69 and 1,371.60

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Solution

The fourth proportional to 3,713.81, 5,565.69 and 1,371.60 is: 2,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.81 : 5,565.69 = 1,371.60 : x
  2. Step 2: Convert to fraction form
    3,713.81/5,565.69 = 1,371.60/x
  3. Step 3: Cross multiply
    3,713.81x = 5,565.69 × 1,371.60
  4. Step 4: Simplify right side
    3,713.81x = 7,633,900.40
  5. Step 5: Solve for x
    x = 7,633,900.40/3,713.81
  6. Step 6: Final answer
    x = 2,055.55

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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.