Home / 1,910.10-2,863.36-1,440.86

Finding the Fourth Proportional to 1,910.10, 2,863.36 and 1,440.86

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Solution

The fourth proportional to 1,910.10, 2,863.36 and 1,440.86 is: 2,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.10 : 2,863.36 = 1,440.86 : x
  2. Step 2: Convert to fraction form
    1,910.10/2,863.36 = 1,440.86/x
  3. Step 3: Cross multiply
    1,910.10x = 2,863.36 × 1,440.86
  4. Step 4: Simplify right side
    1,910.10x = 4,125,700.89
  5. Step 5: Solve for x
    x = 4,125,700.89/1,910.10
  6. Step 6: Final answer
    x = 2,159.94

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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.