Home / 2,372.79-3,559.94-1,140.29

Finding the Fourth Proportional to 2,372.79, 3,559.94 and 1,140.29

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Solution

The fourth proportional to 2,372.79, 3,559.94 and 1,140.29 is: 1,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.79 : 3,559.94 = 1,140.29 : x
  2. Step 2: Convert to fraction form
    2,372.79/3,559.94 = 1,140.29/x
  3. Step 3: Cross multiply
    2,372.79x = 3,559.94 × 1,140.29
  4. Step 4: Simplify right side
    2,372.79x = 4,059,364.52
  5. Step 5: Solve for x
    x = 4,059,364.52/2,372.79
  6. Step 6: Final answer
    x = 1,710.80

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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.