Home / 3,816.10-5,725.68-1,624.78

Finding the Fourth Proportional to 3,816.10, 5,725.68 and 1,624.78

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Solution

The fourth proportional to 3,816.10, 5,725.68 and 1,624.78 is: 2,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.10 : 5,725.68 = 1,624.78 : x
  2. Step 2: Convert to fraction form
    3,816.10/5,725.68 = 1,624.78/x
  3. Step 3: Cross multiply
    3,816.10x = 5,725.68 × 1,624.78
  4. Step 4: Simplify right side
    3,816.10x = 9,302,970.35
  5. Step 5: Solve for x
    x = 9,302,970.35/3,816.10
  6. Step 6: Final answer
    x = 2,437.82

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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.