Home / 2,742.24-4,113.36-1,097.64

Finding the Fourth Proportional to 2,742.24, 4,113.36 and 1,097.64

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Solution

The fourth proportional to 2,742.24, 4,113.36 and 1,097.64 is: 1,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.24 : 4,113.36 = 1,097.64 : x
  2. Step 2: Convert to fraction form
    2,742.24/4,113.36 = 1,097.64/x
  3. Step 3: Cross multiply
    2,742.24x = 4,113.36 × 1,097.64
  4. Step 4: Simplify right side
    2,742.24x = 4,514,988.47
  5. Step 5: Solve for x
    x = 4,514,988.47/2,742.24
  6. Step 6: Final answer
    x = 1,646.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.