Home / 1,515.16-2,272.29-590.51

Finding the Fourth Proportional to 1,515.16, 2,272.29 and 590.51

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Solution

The fourth proportional to 1,515.16, 2,272.29 and 590.51 is: 885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.16 : 2,272.29 = 590.51 : x
  2. Step 2: Convert to fraction form
    1,515.16/2,272.29 = 590.51/x
  3. Step 3: Cross multiply
    1,515.16x = 2,272.29 × 590.51
  4. Step 4: Simplify right side
    1,515.16x = 1,341,803.97
  5. Step 5: Solve for x
    x = 1,341,803.97/1,515.16
  6. Step 6: Final answer
    x = 885.59

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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.