Home / 1,752.03-2,627.59-519.15

Finding the Fourth Proportional to 1,752.03, 2,627.59 and 519.15

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Solution

The fourth proportional to 1,752.03, 2,627.59 and 519.15 is: 778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.03 : 2,627.59 = 519.15 : x
  2. Step 2: Convert to fraction form
    1,752.03/2,627.59 = 519.15/x
  3. Step 3: Cross multiply
    1,752.03x = 2,627.59 × 519.15
  4. Step 4: Simplify right side
    1,752.03x = 1,364,117.68
  5. Step 5: Solve for x
    x = 1,364,117.68/1,752.03
  6. Step 6: Final answer
    x = 778.59

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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.