Home / 1,515.07-2,272.75-590.70

Finding the Fourth Proportional to 1,515.07, 2,272.75 and 590.70

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Solution

The fourth proportional to 1,515.07, 2,272.75 and 590.70 is: 886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.07 : 2,272.75 = 590.70 : x
  2. Step 2: Convert to fraction form
    1,515.07/2,272.75 = 590.70/x
  3. Step 3: Cross multiply
    1,515.07x = 2,272.75 × 590.70
  4. Step 4: Simplify right side
    1,515.07x = 1,342,513.43
  5. Step 5: Solve for x
    x = 1,342,513.43/1,515.07
  6. Step 6: Final answer
    x = 886.11

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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.