Home / 1,738.53-2,397.87-1,108.35

Finding the Fourth Proportional to 1,738.53, 2,397.87 and 1,108.35

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Solution

The fourth proportional to 1,738.53, 2,397.87 and 1,108.35 is: 1,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.53 : 2,397.87 = 1,108.35 : x
  2. Step 2: Convert to fraction form
    1,738.53/2,397.87 = 1,108.35/x
  3. Step 3: Cross multiply
    1,738.53x = 2,397.87 × 1,108.35
  4. Step 4: Simplify right side
    1,738.53x = 2,657,679.21
  5. Step 5: Solve for x
    x = 2,657,679.21/1,738.53
  6. Step 6: Final answer
    x = 1,528.69

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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.