Home / 1,748.66-2,411.39-1,276.64

Finding the Fourth Proportional to 1,748.66, 2,411.39 and 1,276.64

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Solution

The fourth proportional to 1,748.66, 2,411.39 and 1,276.64 is: 1,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.66 : 2,411.39 = 1,276.64 : x
  2. Step 2: Convert to fraction form
    1,748.66/2,411.39 = 1,276.64/x
  3. Step 3: Cross multiply
    1,748.66x = 2,411.39 × 1,276.64
  4. Step 4: Simplify right side
    1,748.66x = 3,078,468.06
  5. Step 5: Solve for x
    x = 3,078,468.06/1,748.66
  6. Step 6: Final answer
    x = 1,760.47

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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.