Home / 2,826.79-4,240.21-1,160.49

Finding the Fourth Proportional to 2,826.79, 4,240.21 and 1,160.49

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Solution

The fourth proportional to 2,826.79, 4,240.21 and 1,160.49 is: 1,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.79 : 4,240.21 = 1,160.49 : x
  2. Step 2: Convert to fraction form
    2,826.79/4,240.21 = 1,160.49/x
  3. Step 3: Cross multiply
    2,826.79x = 4,240.21 × 1,160.49
  4. Step 4: Simplify right side
    2,826.79x = 4,920,718.40
  5. Step 5: Solve for x
    x = 4,920,718.40/2,826.79
  6. Step 6: Final answer
    x = 1,740.75

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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.