Home / 3,565.27-5,346.99-1,689.31

Finding the Fourth Proportional to 3,565.27, 5,346.99 and 1,689.31

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Solution

The fourth proportional to 3,565.27, 5,346.99 and 1,689.31 is: 2,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.27 : 5,346.99 = 1,689.31 : x
  2. Step 2: Convert to fraction form
    3,565.27/5,346.99 = 1,689.31/x
  3. Step 3: Cross multiply
    3,565.27x = 5,346.99 × 1,689.31
  4. Step 4: Simplify right side
    3,565.27x = 9,032,730.36
  5. Step 5: Solve for x
    x = 9,032,730.36/3,565.27
  6. Step 6: Final answer
    x = 2,533.53

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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.