Home / 2,108.61-2,910.03-1,269.51

Finding the Fourth Proportional to 2,108.61, 2,910.03 and 1,269.51

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Solution

The fourth proportional to 2,108.61, 2,910.03 and 1,269.51 is: 1,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.61 : 2,910.03 = 1,269.51 : x
  2. Step 2: Convert to fraction form
    2,108.61/2,910.03 = 1,269.51/x
  3. Step 3: Cross multiply
    2,108.61x = 2,910.03 × 1,269.51
  4. Step 4: Simplify right side
    2,108.61x = 3,694,312.19
  5. Step 5: Solve for x
    x = 3,694,312.19/2,108.61
  6. Step 6: Final answer
    x = 1,752.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.