Home / 3,891.41-5,833.05-1,699.55

Finding the Fourth Proportional to 3,891.41, 5,833.05 and 1,699.55

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Solution

The fourth proportional to 3,891.41, 5,833.05 and 1,699.55 is: 2,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.41 : 5,833.05 = 1,699.55 : x
  2. Step 2: Convert to fraction form
    3,891.41/5,833.05 = 1,699.55/x
  3. Step 3: Cross multiply
    3,891.41x = 5,833.05 × 1,699.55
  4. Step 4: Simplify right side
    3,891.41x = 9,913,530.96
  5. Step 5: Solve for x
    x = 9,913,530.96/3,891.41
  6. Step 6: Final answer
    x = 2,547.55

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1.5x scale

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.