Home / 2,624.47-3,620.57-1,953.79

Finding the Fourth Proportional to 2,624.47, 3,620.57 and 1,953.79

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Solution

The fourth proportional to 2,624.47, 3,620.57 and 1,953.79 is: 2,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.47 : 3,620.57 = 1,953.79 : x
  2. Step 2: Convert to fraction form
    2,624.47/3,620.57 = 1,953.79/x
  3. Step 3: Cross multiply
    2,624.47x = 3,620.57 × 1,953.79
  4. Step 4: Simplify right side
    2,624.47x = 7,073,814.64
  5. Step 5: Solve for x
    x = 7,073,814.64/2,624.47
  6. Step 6: Final answer
    x = 2,695.33

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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.