Home / 3,110.43-4,291.53-1,784.07

Finding the Fourth Proportional to 3,110.43, 4,291.53 and 1,784.07

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Solution

The fourth proportional to 3,110.43, 4,291.53 and 1,784.07 is: 2,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.43 : 4,291.53 = 1,784.07 : x
  2. Step 2: Convert to fraction form
    3,110.43/4,291.53 = 1,784.07/x
  3. Step 3: Cross multiply
    3,110.43x = 4,291.53 × 1,784.07
  4. Step 4: Simplify right side
    3,110.43x = 7,656,389.93
  5. Step 5: Solve for x
    x = 7,656,389.93/3,110.43
  6. Step 6: Final answer
    x = 2,461.52

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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.