Home / 3,585.71-5,376.47-2,125.89

Finding the Fourth Proportional to 3,585.71, 5,376.47 and 2,125.89

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Solution

The fourth proportional to 3,585.71, 5,376.47 and 2,125.89 is: 3,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.71 : 5,376.47 = 2,125.89 : x
  2. Step 2: Convert to fraction form
    3,585.71/5,376.47 = 2,125.89/x
  3. Step 3: Cross multiply
    3,585.71x = 5,376.47 × 2,125.89
  4. Step 4: Simplify right side
    3,585.71x = 11,429,783.81
  5. Step 5: Solve for x
    x = 11,429,783.81/3,585.71
  6. Step 6: Final answer
    x = 3,187.59

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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.