Home / 2,140.63-2,948.16-1,845.79

Finding the Fourth Proportional to 2,140.63, 2,948.16 and 1,845.79

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Solution

The fourth proportional to 2,140.63, 2,948.16 and 1,845.79 is: 2,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.63 : 2,948.16 = 1,845.79 : x
  2. Step 2: Convert to fraction form
    2,140.63/2,948.16 = 1,845.79/x
  3. Step 3: Cross multiply
    2,140.63x = 2,948.16 × 1,845.79
  4. Step 4: Simplify right side
    2,140.63x = 5,441,684.25
  5. Step 5: Solve for x
    x = 5,441,684.25/2,140.63
  6. Step 6: Final answer
    x = 2,542.09

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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.