Home / 1,813.76-2,721.10-888.06

Finding the Fourth Proportional to 1,813.76, 2,721.10 and 888.06

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Solution

The fourth proportional to 1,813.76, 2,721.10 and 888.06 is: 1,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.76 : 2,721.10 = 888.06 : x
  2. Step 2: Convert to fraction form
    1,813.76/2,721.10 = 888.06/x
  3. Step 3: Cross multiply
    1,813.76x = 2,721.10 × 888.06
  4. Step 4: Simplify right side
    1,813.76x = 2,416,500.07
  5. Step 5: Solve for x
    x = 2,416,500.07/1,813.76
  6. Step 6: Final answer
    x = 1,332.32

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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.