Home / 3,869.18-5,787.51-3,588.74

Finding the Fourth Proportional to 3,869.18, 5,787.51 and 3,588.74

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Solution

The fourth proportional to 3,869.18, 5,787.51 and 3,588.74 is: 5,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.18 : 5,787.51 = 3,588.74 : x
  2. Step 2: Convert to fraction form
    3,869.18/5,787.51 = 3,588.74/x
  3. Step 3: Cross multiply
    3,869.18x = 5,787.51 × 3,588.74
  4. Step 4: Simplify right side
    3,869.18x = 20,769,869.65
  5. Step 5: Solve for x
    x = 20,769,869.65/3,869.18
  6. Step 6: Final answer
    x = 5,368.03

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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.