Home / 2,372.95-3,558.51-1,640.30

Finding the Fourth Proportional to 2,372.95, 3,558.51 and 1,640.30

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Solution

The fourth proportional to 2,372.95, 3,558.51 and 1,640.30 is: 2,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.95 : 3,558.51 = 1,640.30 : x
  2. Step 2: Convert to fraction form
    2,372.95/3,558.51 = 1,640.30/x
  3. Step 3: Cross multiply
    2,372.95x = 3,558.51 × 1,640.30
  4. Step 4: Simplify right side
    2,372.95x = 5,837,032.85
  5. Step 5: Solve for x
    x = 5,837,032.85/2,372.95
  6. Step 6: Final answer
    x = 2,459.82

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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.