Home / 2,330.43-3,495.64-1,918.70

Finding the Fourth Proportional to 2,330.43, 3,495.64 and 1,918.70

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Solution

The fourth proportional to 2,330.43, 3,495.64 and 1,918.70 is: 2,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.43 : 3,495.64 = 1,918.70 : x
  2. Step 2: Convert to fraction form
    2,330.43/3,495.64 = 1,918.70/x
  3. Step 3: Cross multiply
    2,330.43x = 3,495.64 × 1,918.70
  4. Step 4: Simplify right side
    2,330.43x = 6,707,084.30
  5. Step 5: Solve for x
    x = 6,707,084.30/2,330.43
  6. Step 6: Final answer
    x = 2,878.05

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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.