Home / 1,948.07-2,688.22-1,063.82

Finding the Fourth Proportional to 1,948.07, 2,688.22 and 1,063.82

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Solution

The fourth proportional to 1,948.07, 2,688.22 and 1,063.82 is: 1,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.07 : 2,688.22 = 1,063.82 : x
  2. Step 2: Convert to fraction form
    1,948.07/2,688.22 = 1,063.82/x
  3. Step 3: Cross multiply
    1,948.07x = 2,688.22 × 1,063.82
  4. Step 4: Simplify right side
    1,948.07x = 2,859,790.25
  5. Step 5: Solve for x
    x = 2,859,790.25/1,948.07
  6. Step 6: Final answer
    x = 1,468.01

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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.