Home / 1,746.78-2,632.20-1,445.43

Finding the Fourth Proportional to 1,746.78, 2,632.20 and 1,445.43

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Solution

The fourth proportional to 1,746.78, 2,632.20 and 1,445.43 is: 2,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.78 : 2,632.20 = 1,445.43 : x
  2. Step 2: Convert to fraction form
    1,746.78/2,632.20 = 1,445.43/x
  3. Step 3: Cross multiply
    1,746.78x = 2,632.20 × 1,445.43
  4. Step 4: Simplify right side
    1,746.78x = 3,804,660.85
  5. Step 5: Solve for x
    x = 3,804,660.85/1,746.78
  6. Step 6: Final answer
    x = 2,178.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.