Home / 2,431.88-3,357.08-1,548.88

Finding the Fourth Proportional to 2,431.88, 3,357.08 and 1,548.88

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Solution

The fourth proportional to 2,431.88, 3,357.08 and 1,548.88 is: 2,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.88 : 3,357.08 = 1,548.88 : x
  2. Step 2: Convert to fraction form
    2,431.88/3,357.08 = 1,548.88/x
  3. Step 3: Cross multiply
    2,431.88x = 3,357.08 × 1,548.88
  4. Step 4: Simplify right side
    2,431.88x = 5,199,714.07
  5. Step 5: Solve for x
    x = 5,199,714.07/2,431.88
  6. Step 6: Final answer
    x = 2,138.15

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1.5x scale

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.