Home / 1,742.53-2,405.13-1,175.46

Finding the Fourth Proportional to 1,742.53, 2,405.13 and 1,175.46

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Solution

The fourth proportional to 1,742.53, 2,405.13 and 1,175.46 is: 1,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.53 : 2,405.13 = 1,175.46 : x
  2. Step 2: Convert to fraction form
    1,742.53/2,405.13 = 1,175.46/x
  3. Step 3: Cross multiply
    1,742.53x = 2,405.13 × 1,175.46
  4. Step 4: Simplify right side
    1,742.53x = 2,827,122.08
  5. Step 5: Solve for x
    x = 2,827,122.08/1,742.53
  6. Step 6: Final answer
    x = 1,622.42

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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.