Home / 3,587.92-5,379.84-1,246.72

Finding the Fourth Proportional to 3,587.92, 5,379.84 and 1,246.72

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Solution

The fourth proportional to 3,587.92, 5,379.84 and 1,246.72 is: 1,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.92 : 5,379.84 = 1,246.72 : x
  2. Step 2: Convert to fraction form
    3,587.92/5,379.84 = 1,246.72/x
  3. Step 3: Cross multiply
    3,587.92x = 5,379.84 × 1,246.72
  4. Step 4: Simplify right side
    3,587.92x = 6,707,154.12
  5. Step 5: Solve for x
    x = 6,707,154.12/3,587.92
  6. Step 6: Final answer
    x = 1,869.37

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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.