Home / 1,863.42-2,575.08-1,548.36

Finding the Fourth Proportional to 1,863.42, 2,575.08 and 1,548.36

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Solution

The fourth proportional to 1,863.42, 2,575.08 and 1,548.36 is: 2,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.42 : 2,575.08 = 1,548.36 : x
  2. Step 2: Convert to fraction form
    1,863.42/2,575.08 = 1,548.36/x
  3. Step 3: Cross multiply
    1,863.42x = 2,575.08 × 1,548.36
  4. Step 4: Simplify right side
    1,863.42x = 3,987,150.87
  5. Step 5: Solve for x
    x = 3,987,150.87/1,863.42
  6. Step 6: Final answer
    x = 2,139.70

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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.