Home / 2,110.13-2,911.98-1,178.63

Finding the Fourth Proportional to 2,110.13, 2,911.98 and 1,178.63

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Solution

The fourth proportional to 2,110.13, 2,911.98 and 1,178.63 is: 1,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.13 : 2,911.98 = 1,178.63 : x
  2. Step 2: Convert to fraction form
    2,110.13/2,911.98 = 1,178.63/x
  3. Step 3: Cross multiply
    2,110.13x = 2,911.98 × 1,178.63
  4. Step 4: Simplify right side
    2,110.13x = 3,432,132.43
  5. Step 5: Solve for x
    x = 3,432,132.43/2,110.13
  6. Step 6: Final answer
    x = 1,626.51

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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.