Home / 2,624.09-3,620.85-1,489.58

Finding the Fourth Proportional to 2,624.09, 3,620.85 and 1,489.58

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Solution

The fourth proportional to 2,624.09, 3,620.85 and 1,489.58 is: 2,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.09 : 3,620.85 = 1,489.58 : x
  2. Step 2: Convert to fraction form
    2,624.09/3,620.85 = 1,489.58/x
  3. Step 3: Cross multiply
    2,624.09x = 3,620.85 × 1,489.58
  4. Step 4: Simplify right side
    2,624.09x = 5,393,527.64
  5. Step 5: Solve for x
    x = 5,393,527.64/2,624.09
  6. Step 6: Final answer
    x = 2,055.39

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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.