Home / 1,911.06-2,862.54-1,088.91

Finding the Fourth Proportional to 1,911.06, 2,862.54 and 1,088.91

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Solution

The fourth proportional to 1,911.06, 2,862.54 and 1,088.91 is: 1,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.06 : 2,862.54 = 1,088.91 : x
  2. Step 2: Convert to fraction form
    1,911.06/2,862.54 = 1,088.91/x
  3. Step 3: Cross multiply
    1,911.06x = 2,862.54 × 1,088.91
  4. Step 4: Simplify right side
    1,911.06x = 3,117,048.43
  5. Step 5: Solve for x
    x = 3,117,048.43/1,911.06
  6. Step 6: Final answer
    x = 1,631.06

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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.