Home / 2,859.29-4,287.21-1,541.82

Finding the Fourth Proportional to 2,859.29, 4,287.21 and 1,541.82

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Solution

The fourth proportional to 2,859.29, 4,287.21 and 1,541.82 is: 2,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.29 : 4,287.21 = 1,541.82 : x
  2. Step 2: Convert to fraction form
    2,859.29/4,287.21 = 1,541.82/x
  3. Step 3: Cross multiply
    2,859.29x = 4,287.21 × 1,541.82
  4. Step 4: Simplify right side
    2,859.29x = 6,610,106.12
  5. Step 5: Solve for x
    x = 6,610,106.12/2,859.29
  6. Step 6: Final answer
    x = 2,311.80

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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.