Home / 3,624.81-5,437.41-1,776.79

Finding the Fourth Proportional to 3,624.81, 5,437.41 and 1,776.79

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Solution

The fourth proportional to 3,624.81, 5,437.41 and 1,776.79 is: 2,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.81 : 5,437.41 = 1,776.79 : x
  2. Step 2: Convert to fraction form
    3,624.81/5,437.41 = 1,776.79/x
  3. Step 3: Cross multiply
    3,624.81x = 5,437.41 × 1,776.79
  4. Step 4: Simplify right side
    3,624.81x = 9,661,135.71
  5. Step 5: Solve for x
    x = 9,661,135.71/3,624.81
  6. Step 6: Final answer
    x = 2,665.28

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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.