Home / 3,528.83-5,288.69-1,680.51

Finding the Fourth Proportional to 3,528.83, 5,288.69 and 1,680.51

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Solution

The fourth proportional to 3,528.83, 5,288.69 and 1,680.51 is: 2,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.83 : 5,288.69 = 1,680.51 : x
  2. Step 2: Convert to fraction form
    3,528.83/5,288.69 = 1,680.51/x
  3. Step 3: Cross multiply
    3,528.83x = 5,288.69 × 1,680.51
  4. Step 4: Simplify right side
    3,528.83x = 8,887,720.47
  5. Step 5: Solve for x
    x = 8,887,720.47/3,528.83
  6. Step 6: Final answer
    x = 2,518.60

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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.