Home / 3,875.92-5,813.37-1,537.65

Finding the Fourth Proportional to 3,875.92, 5,813.37 and 1,537.65

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Solution

The fourth proportional to 3,875.92, 5,813.37 and 1,537.65 is: 2,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.92 : 5,813.37 = 1,537.65 : x
  2. Step 2: Convert to fraction form
    3,875.92/5,813.37 = 1,537.65/x
  3. Step 3: Cross multiply
    3,875.92x = 5,813.37 × 1,537.65
  4. Step 4: Simplify right side
    3,875.92x = 8,938,928.38
  5. Step 5: Solve for x
    x = 8,938,928.38/3,875.92
  6. Step 6: Final answer
    x = 2,306.27

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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.