Home / 2,592.13-3,890.45-1,360.40

Finding the Fourth Proportional to 2,592.13, 3,890.45 and 1,360.40

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Solution

The fourth proportional to 2,592.13, 3,890.45 and 1,360.40 is: 2,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.13 : 3,890.45 = 1,360.40 : x
  2. Step 2: Convert to fraction form
    2,592.13/3,890.45 = 1,360.40/x
  3. Step 3: Cross multiply
    2,592.13x = 3,890.45 × 1,360.40
  4. Step 4: Simplify right side
    2,592.13x = 5,292,571.10
  5. Step 5: Solve for x
    x = 5,292,571.10/2,592.13
  6. Step 6: Final answer
    x = 2,041.79

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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.