Home / 2,425.49-3,638.15-1,445.09

Finding the Fourth Proportional to 2,425.49, 3,638.15 and 1,445.09

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Solution

The fourth proportional to 2,425.49, 3,638.15 and 1,445.09 is: 2,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.49 : 3,638.15 = 1,445.09 : x
  2. Step 2: Convert to fraction form
    2,425.49/3,638.15 = 1,445.09/x
  3. Step 3: Cross multiply
    2,425.49x = 3,638.15 × 1,445.09
  4. Step 4: Simplify right side
    2,425.49x = 5,257,428.77
  5. Step 5: Solve for x
    x = 5,257,428.77/2,425.49
  6. Step 6: Final answer
    x = 2,167.58

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1.5x scale

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.