Home / 2,607.32-3,910.29-1,127.06

Finding the Fourth Proportional to 2,607.32, 3,910.29 and 1,127.06

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Solution

The fourth proportional to 2,607.32, 3,910.29 and 1,127.06 is: 1,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.32 : 3,910.29 = 1,127.06 : x
  2. Step 2: Convert to fraction form
    2,607.32/3,910.29 = 1,127.06/x
  3. Step 3: Cross multiply
    2,607.32x = 3,910.29 × 1,127.06
  4. Step 4: Simplify right side
    2,607.32x = 4,407,130.79
  5. Step 5: Solve for x
    x = 4,407,130.79/2,607.32
  6. Step 6: Final answer
    x = 1,690.29

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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.