Home / 2,148.45-2,963.70-1,264.11

Finding the Fourth Proportional to 2,148.45, 2,963.70 and 1,264.11

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Solution

The fourth proportional to 2,148.45, 2,963.70 and 1,264.11 is: 1,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.45 : 2,963.70 = 1,264.11 : x
  2. Step 2: Convert to fraction form
    2,148.45/2,963.70 = 1,264.11/x
  3. Step 3: Cross multiply
    2,148.45x = 2,963.70 × 1,264.11
  4. Step 4: Simplify right side
    2,148.45x = 3,746,442.81
  5. Step 5: Solve for x
    x = 3,746,442.81/2,148.45
  6. Step 6: Final answer
    x = 1,743.79

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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.