Home / 2,425.58-3,638.29-1,020.74

Finding the Fourth Proportional to 2,425.58, 3,638.29 and 1,020.74

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Solution

The fourth proportional to 2,425.58, 3,638.29 and 1,020.74 is: 1,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.58 : 3,638.29 = 1,020.74 : x
  2. Step 2: Convert to fraction form
    2,425.58/3,638.29 = 1,020.74/x
  3. Step 3: Cross multiply
    2,425.58x = 3,638.29 × 1,020.74
  4. Step 4: Simplify right side
    2,425.58x = 3,713,748.13
  5. Step 5: Solve for x
    x = 3,713,748.13/2,425.58
  6. Step 6: Final answer
    x = 1,531.08

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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.