Home / 3,624.37-5,438.10-1,545.35

Finding the Fourth Proportional to 3,624.37, 5,438.10 and 1,545.35

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Solution

The fourth proportional to 3,624.37, 5,438.10 and 1,545.35 is: 2,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.37 : 5,438.10 = 1,545.35 : x
  2. Step 2: Convert to fraction form
    3,624.37/5,438.10 = 1,545.35/x
  3. Step 3: Cross multiply
    3,624.37x = 5,438.10 × 1,545.35
  4. Step 4: Simplify right side
    3,624.37x = 8,403,767.84
  5. Step 5: Solve for x
    x = 8,403,767.84/3,624.37
  6. Step 6: Final answer
    x = 2,318.68

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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.