Home / 1,748.64-2,411.82-1,118.46

Finding the Fourth Proportional to 1,748.64, 2,411.82 and 1,118.46

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Solution

The fourth proportional to 1,748.64, 2,411.82 and 1,118.46 is: 1,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.64 : 2,411.82 = 1,118.46 : x
  2. Step 2: Convert to fraction form
    1,748.64/2,411.82 = 1,118.46/x
  3. Step 3: Cross multiply
    1,748.64x = 2,411.82 × 1,118.46
  4. Step 4: Simplify right side
    1,748.64x = 2,697,524.20
  5. Step 5: Solve for x
    x = 2,697,524.20/1,748.64
  6. Step 6: Final answer
    x = 1,542.64

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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.