Home / 2,330.08-3,490.70-1,081.69

Finding the Fourth Proportional to 2,330.08, 3,490.70 and 1,081.69

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Solution

The fourth proportional to 2,330.08, 3,490.70 and 1,081.69 is: 1,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.08 : 3,490.70 = 1,081.69 : x
  2. Step 2: Convert to fraction form
    2,330.08/3,490.70 = 1,081.69/x
  3. Step 3: Cross multiply
    2,330.08x = 3,490.70 × 1,081.69
  4. Step 4: Simplify right side
    2,330.08x = 3,775,858.29
  5. Step 5: Solve for x
    x = 3,775,858.29/2,330.08
  6. Step 6: Final answer
    x = 1,620.49

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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.