Home / 2,615.90-3,919-1,504.04

Finding the Fourth Proportional to 2,615.90, 3,919 and 1,504.04

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Solution

The fourth proportional to 2,615.90, 3,919 and 1,504.04 is: 2,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.90 : 3,919 = 1,504.04 : x
  2. Step 2: Convert to fraction form
    2,615.90/3,919 = 1,504.04/x
  3. Step 3: Cross multiply
    2,615.90x = 3,919 × 1,504.04
  4. Step 4: Simplify right side
    2,615.90x = 5,894,332.76
  5. Step 5: Solve for x
    x = 5,894,332.76/2,615.90
  6. Step 6: Final answer
    x = 2,253.27

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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.