Home / 1,515.03-2,272.59-590.55

Finding the Fourth Proportional to 1,515.03, 2,272.59 and 590.55

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Solution

The fourth proportional to 1,515.03, 2,272.59 and 590.55 is: 885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.03 : 2,272.59 = 590.55 : x
  2. Step 2: Convert to fraction form
    1,515.03/2,272.59 = 590.55/x
  3. Step 3: Cross multiply
    1,515.03x = 2,272.59 × 590.55
  4. Step 4: Simplify right side
    1,515.03x = 1,342,078.02
  5. Step 5: Solve for x
    x = 1,342,078.02/1,515.03
  6. Step 6: Final answer
    x = 885.84

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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.