Home / 3,624.96-5,439.24-1,678.53

Finding the Fourth Proportional to 3,624.96, 5,439.24 and 1,678.53

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Solution

The fourth proportional to 3,624.96, 5,439.24 and 1,678.53 is: 2,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.96 : 5,439.24 = 1,678.53 : x
  2. Step 2: Convert to fraction form
    3,624.96/5,439.24 = 1,678.53/x
  3. Step 3: Cross multiply
    3,624.96x = 5,439.24 × 1,678.53
  4. Step 4: Simplify right side
    3,624.96x = 9,129,927.52
  5. Step 5: Solve for x
    x = 9,129,927.52/3,624.96
  6. Step 6: Final answer
    x = 2,518.63

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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.