Home / 2,045.79-3,069.50-1,072.58

Finding the Fourth Proportional to 2,045.79, 3,069.50 and 1,072.58

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Solution

The fourth proportional to 2,045.79, 3,069.50 and 1,072.58 is: 1,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.79 : 3,069.50 = 1,072.58 : x
  2. Step 2: Convert to fraction form
    2,045.79/3,069.50 = 1,072.58/x
  3. Step 3: Cross multiply
    2,045.79x = 3,069.50 × 1,072.58
  4. Step 4: Simplify right side
    2,045.79x = 3,292,263.60
  5. Step 5: Solve for x
    x = 3,292,263.60/2,045.79
  6. Step 6: Final answer
    x = 1,609.29

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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.