Home / 1,948.17-2,688.49-1,063.92

Finding the Fourth Proportional to 1,948.17, 2,688.49 and 1,063.92

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Solution

The fourth proportional to 1,948.17, 2,688.49 and 1,063.92 is: 1,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.17 : 2,688.49 = 1,063.92 : x
  2. Step 2: Convert to fraction form
    1,948.17/2,688.49 = 1,063.92/x
  3. Step 3: Cross multiply
    1,948.17x = 2,688.49 × 1,063.92
  4. Step 4: Simplify right side
    1,948.17x = 2,860,332.96
  5. Step 5: Solve for x
    x = 2,860,332.96/1,948.17
  6. Step 6: Final answer
    x = 1,468.22

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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.