Home / 2,372.78-3,274.08-1,488.26

Finding the Fourth Proportional to 2,372.78, 3,274.08 and 1,488.26

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Solution

The fourth proportional to 2,372.78, 3,274.08 and 1,488.26 is: 2,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.78 : 3,274.08 = 1,488.26 : x
  2. Step 2: Convert to fraction form
    2,372.78/3,274.08 = 1,488.26/x
  3. Step 3: Cross multiply
    2,372.78x = 3,274.08 × 1,488.26
  4. Step 4: Simplify right side
    2,372.78x = 4,872,682.30
  5. Step 5: Solve for x
    x = 4,872,682.30/2,372.78
  6. Step 6: Final answer
    x = 2,053.58

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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.