Home / 1,624.10-2,239.67-1,489.19

Finding the Fourth Proportional to 1,624.10, 2,239.67 and 1,489.19

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Solution

The fourth proportional to 1,624.10, 2,239.67 and 1,489.19 is: 2,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.10 : 2,239.67 = 1,489.19 : x
  2. Step 2: Convert to fraction form
    1,624.10/2,239.67 = 1,489.19/x
  3. Step 3: Cross multiply
    1,624.10x = 2,239.67 × 1,489.19
  4. Step 4: Simplify right side
    1,624.10x = 3,335,286.72
  5. Step 5: Solve for x
    x = 3,335,286.72/1,624.10
  6. Step 6: Final answer
    x = 2,053.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.